investigation booklet as well as: (1) a general introduction; (2). Magnetic stripes on the ocean floor: a lab simulation Learning objectives: the Earth’s magnetic field has ‘flipped’ (the N pole becoming the S pole, and vice versa) many times over geological time ; as tectonic plates move apart, new rock is formed and locks in the direction of the magnetic field at the time. The figure 13. Engineers, Answer Sheet For Seafloor Spreading With Lab, the short prose reader 13th edition answers, Grace Notes Daily Readings With A Fellow Pilgrim Philip Yancey, chapter 12 section 2 guided reading the harding presidency answer key, Oster Bread Machine Model 5821 Manual, guided reading worksheets year 1, Buy Manual Treadmill. Sea Floor Spreading Common Core Activity is a common core activity that helps students learn about sea floor spreading, mid ocean ridges, and magnetic reversals. The seafloor is spreading apart at mid-ocean ridges (sea floor spreading). For background, go to the Basics page on Plate Tectonics/Paleomagnetism. The Mid-Atlantic Ridge, for instance, separates the North American plate from the Eurasian plate, and the South American plate from the African plate. The movement of the spreading is not very fast, and is normally determined in centimeters per year. Calculating a Paleomagnetic Latitude. Objectives: Students will construct a model to illustrate how new sea floor is created at mid-ocean ridges and is removed at trenches. These student-oriented labs are designed to explore science through a stimu-lating yet simple and relaxed approach to each. An applet shows the magnetic…. 1) What feature of the ocean floor does the center slit represent?. The center slit represents a Mid-Ocean Ridge 2. Introduction. February 2, 2020. Since the lesson itself is pretty ambitious in terms of what students are tasked to do, it necessitates at least two periods (I have around 60 minutes/period) of task time in order for students to complete everything. Making of Easy Abstract Painting / Sail Boat / Seascape / Acrylics / Project 365 days / Day #0151 - Duration: 6:18. Sea floor spreading occurs at the mid-ocean ridge where two plates are moving away from each other. Mid-Ocean Ridges form 2. net   Sea Floor. As magma starts to harden into rock, iron-rich minerals solidify first. Skills Lab General Manager welcomes SA Minister for Innovation and Skills David Pisoni in the virtual launch for South Australia, 8 May 2020. Ocean basin are spreading at various rates along their spreading ridges. Pics of : Ocean Floor Diagram Worksheet Answers. Dynamic Earth Sea-Floor Spreading Lab Introduction: According to the theory of plate tectonics (from the Greek, tetko, 'builder') the Earth's crust is broken into many slowly moving plates. Sea Floor Spreading and Plate Tectonics 4.  Seafloor Spreading and Magnetic Reversals The Ring of Fire The Virtual Textbook above contains important information about many topics related to Earthquakes, Seismic Waves, Hazards, and Earthquake Forecasting. Sea Floor Spreading. Introduction. Illustrate the types of plate boundaries and their features. Loading Unsubscribe from Korina Bierman? Model of Seafloor Spreading - Duration: 5:38. 2: What is the mid-ocean ridge system? What happens there? - long series of seafloor spreading centers where new earth is created. (Here is a second virtual lab I'm just holding here in case we lose the other. The earth does not get bigger. SEAFLOOR BATHYMETRY World War II gave scientists the tools to find the mechanism for continental drift that had eluded Wegener. Next, create a sample visual of seafloor spreading by cutting a slit in your notebook and pushing the two lines strips of paper up through (see example). The spreading process creates an average width of (c) 6 m of new crust every 100 years. o Seafloor spreading rate = anomaly width/duration or dist of reversal from ridge/age of reversal mid-Atlantic = 18 mm/yr East-Pacific Rise = 150 mm/yr Global average = 50 mm/yr [PPT] Seafloor spreading & magnetic reversals Age of seafloor sediments from drilling. The ocean plates spread and grow in opposite directions, so rocks that are equidistance from the center have the same magnetic polarity and age. 8-11 and ESRT p. The experience of the Sea Floor Simulation Kits will bring to life what happens on the sea floor; landforms caused by internal forces and how volcanic activity renews the earth. Steps Taken By Denver Department of Public Health To Reduce COVID-19 Spreading Download Executed-Public-Health-Order-03. The following five lessons are covered: Layers of the Earth, Convection Currents in the Mantle, Continental Drift, Seafloor Spreading, and Theory of Plate Tectonics. Using the world wall map or other lab resources, name at least one place where the Mid-Atlantic Ridge is exposed above sea level. The oldest known ocean floor is dated at about 200 million years, indicating. Surface Currents 10. According to the theory of plate tectonics, (from the Greek, tekto, "builder"), the Earth's crust is broken into many slowly moving plates. Mapping California’s Seafloor. Sheridan Middle School 8660 Sheridan Road Thornville, OH 43076 Phone: (740) 743-1315 Fax: (740) 743-3319. Seafloor spreading questions q pearson seafloor spreading worksheets sea floor spreading pg 23 29 sea floor spreading edhelper images e993 com Whats people lookup in this blog: Sea Floor Spreading Worksheet Answers Pearson Education. Seafloor spreading is the mechanism for Wegener’s drifting continents. -Finish seafloor spreading lab when done-If you are done with the lab, you can start your April Science News. Earth Sciences 110 N- The Dynamic Earth Lab Laboratory 3- Sea Floor Spreading and Magnetic Anomalies Objectives: To understand how marine magnetic anomaly patterns develop and to use them to interpret the timing and nature of sea floor spreading in the world's oceans. Geography of the Oceans 5. Learning Goals Students will learn the features of the seafloor that provide evidence for seafloor spreading and plate tectonics and how those features formed. Convection Current Lab Week 3: Continental Drift Fossils and Pangaea Foldable Graham Cracker Plates Week 4: Sea-Floor Spreading Sea Floor Spreading Sheet Sea Floor Spreading Simon Says Sea Floor Spreading Lab Week 5: Plate Tectonics Graham Cracker Lab Week 6: Forces of Earth's Crust Fault Blocks Clay Faults Faults Foldable. What happens: Hess describes sea floor spreading. Sea-Floor Spreading Answer Key. For instance, the Atlantic Ocean is believed to be expanding because of its few trenches. Calculating seafloor spreading rates — To determine age of seafloor at a particular location, measure distance to ridge, and calculate the half spreading (spreading in 1 direction). In this earth science activity (page 14 of the PDF), learners use layers of closed-cell foam to create their own model of the mid-ocean ridge in order to simulate seafloor spreading. Buckeye Career Center High school visitation. The following five lessons are covered: Layers of the Earth, Convection Currents in the Mantle, Continental Drift, Seafloor Spreading, and Theory of Plate Tectonics. Sheridan Middle School 8660 Sheridan Road Thornville, OH 43076 Phone: (740) 743-1315 Fax: (740) 743-3319. Submit your work via Bb. Earthquakes occur along the plate boundary. Burke County’s COVID-19 cases rose by 12 Friday, bringing the county’s total number of cases to 786. This student-centered station lab is set up so students can begin to explore continental drift. Where the oceanic plates are moving away from each other is called a zone of divergence. animation III. We call this sea floor spreading. Why is it more accurate to use velocity in the mealworm lab? The worms tended to go in different distances at different speeds ,and velocity shows speed and direction 5. Sea Floor Spreading Worksheet The Best and Most prehensive from Sea Floor Spreading Worksheet, source:worksheets. This affordable, no-prep product is a complete unit bundle on the PLATE TECTONICS Unit. But before we try to perform the following exercise, I will present a very brief overview of plate tectonics and sea floor spreading. LABORATORY TWO Plate Tectonics BIG IDEAS: EarthÕs solid outermost layer is the lithosphere, which includes the crust and the uppermost part of the upper mantle. Showing top 8 worksheets in the category - Anser Key To Seafloor Spreading. What is sea floor spreading?-->Sea-floor spreading is the process in which the ocean floor is extended when two plates move apart. With this new information about the sea floor, sea- floor spreading, and ocean trenches, scientists could begin to understand how continents were able to move. Magnetic stripes Modelling the symmetrical magnetic pattern of the rocks of the sea floor The magnetic properties of the rocks below the sea bed have been used to show that the ocean floors are spreading outwards. You will have calculated an average spreading rate over some period of time. The older seafloor further from the ridge has thicker layers of sediment because it has had more time to accumulate sediment. Why is it more accurate to use velocity in the mealworm lab? The worms tended to go in different distances at different speeds ,and velocity shows speed and direction 5. 2 labs have been set out for you to complete: Seafloor Spreading- Divergent Plate Boundaries and Sea Floor Spreading Student Activity Kit. In this earth science activity (page 14 of the PDF), learners use layers of closed-cell foam to create their own model of the mid-ocean ridge in order to simulate seafloor spreading. by "Oceanus"; Earth sciences Environmental issues Geophysicists Practice Marine sediments Composition Ocean bottom Thermal properties Sea-floor spreading Seafloor spreading. NOW Introduction to Seasons Learn how seasons differ across the equator, and how the earth’s tilt and the day of the year impact seasons. Serving as quick reminders, these charts remove the. edu/forteachers/SeafloorSpreading. Name _____ Block _____ Date _____ Seafloor Spreading (Earth Science Indicator #9 - Describe the interior and structure of Earth and Earth's crust as divided into tectonic plates riding on top of slow moving currents of magma in the mantle). doc from SCIENCE 2182 at Florida Virtual School. Sea Floor Spreading Project Answer Key Lab 4 -> Source : www. Researchers were alerted to the possible submarine eruption of the Axial Seamount, located about 300 miles (480 kilometers) off the West Coast, by large changes in the seafloor. Expand Folder í: Sea Floor Features _. Virtual Earthquake. See more ideas about Plate tectonics, Earth science, Earth and space science. Excellent maps of the general features of the ocean floor are available on the National Geographic Society Online Atlas Explorer. Typically, the seafloor is milky white and comprised of the mineral calcite The researchers came to their conclusions by simulating the conditions of the deep sea in the lab. The purpose of these studies was to understand the topography of the sea floor to find hiding places for both Allied and enemy submarines. redhookcentralschools. Once you have identified the magnetic isochrons on either side of the ridge, you can use their spacing and ages to calculate the velocities of sea floor spreading. Reading: Theory of Plate Tectonics. Based on ages of the oldest rocks in the North and South Atlantic, describe how and when the Atlantic Ocean formed, and how its shape has changed through time. A combination of the seafloor spreading theory and the continental drift theory. Highlight/Underline and number evidence. Magnetic bands provide evidence of sea-floor spreading Life is found near deep ocean vents If you are having trouble accessing the Plate Tectonics activity, try the non-Javascript version. This indicates how strong in your memory this concept is. (Here is a second virtual lab I'm just holding here in case we lose the other. Do the same for subduction. This activity takes place in a laboratory setting and requires ~1. Ocean Floor Sediments Terrigenous sediment is derived from land and usually deposited on the continental shelf, continental rise, and abyssal plain. Explain how fast the Pacific and Atlantic plates are moving. Using the magnetic anomaly patterns in the Aragorn Ocean, determine when sea floor spreading started to form the Aragorn Ocean crust (remember, spreading is not actively going on now but it was at one time). To calculate the rate of the spreading, you need to use the following formula: the distance the sea floor moved divided by the length of time. Try this lab to see how you can deter- mine where a continent may have been located in the past. Sea floor spreading lab seafloor spreading model name date block quiz study questions with answers how is the mid seafloor spreading. The lithosphere is divided into plates that move relative to each other, and we can detect those motions using GPS and other technologies. To understand the concept of Seafloor Spreading, we must first understand some basic concepts that form the cornerstones for the concept of Seafloor Spreading. AN OVERVIEW OF SEA-FLOOR SPREADING AND PLATE TECTONICS. Subduction Boundary Lab In this lab activity, you will plot and compare actual earthquake foci data from two areas where subduction is currently occurring. At a White House briefing, on April 23rd, Mike Pence offered what he described as “encouraging news” about COVID-19 testing. Where are there deeper areas of the Atlantic Ocean?. Here is how sea-floor spreading works. 3, there. In the process of seafloor spreading, molten rock rises from within the Earth and adds new seafloor (oceanic crust) to the edges of the old. Modeling Sea-Floor Spreading Along the entire length of Earth's mid-ocean ridge, the sea floor is spreading. Newpathonline. Educational charts are used in a variety of environments for assistance in visualizing subject components in an interesting and instantaneous way. List the four steps of seafloor spreading. This includes movement and shifting of tectonic plates, gushes of magma due to the pressure underneath (the magma cools beneath the ocean forming ridges), symmetrical rock formation and from the deep sea trenches that form as a result of the shift of the continental. SONAR SOund Navigation And Ranging (Science starting working on the idea around 1914 and perfected it around the 1930- 1940. These age data also allow the rate of seafloor spreading to be. LAB 4-3: SEA-FLOOR SPREADING INTRODUCTION: Sea-floor spreading is the hypothesis that the sea floor moves sideways away from the crest of a mid-ocean ridge. ocean floor. Visit the post for more. Seafloor Spreading: II. Iceland; Azores. Convection currents within the mantle take the continents on a conveyor-belt ride of oceanic crust that over millions of years takes them around the planet’s surface. Magnetic stripes Modelling the symmetrical magnetic pattern of the rocks of the sea floor The magnetic properties of the rocks below the sea bed have been used to show that the ocean floors are spreading outwards. In your textbook, read about ocean rocks and sediments, magnetism, and seafloor spreading. If the pulling con-. This affordable, no-prep product is a complete unit bundle on the PLATE TECTONICS Unit. Picture of Satvik's nails that I painted: Powered by Create your own unique website with customizable templates. Dynamic Earth Sea-Floor Spreading Lab Introduction: According to the theory of plate tectonics (from the Greek, tetko, ‘builder’) the Earth’s crust is broken into many slowly moving plates. Scientist Harry Hess came up with the idea of sea-floor spreading in 1960. Then close the balloon and examine the Atlantic Ocean sea floor to see the features described in the. Skills Lab also provides cyber-physical training options which align with the in-class offerings, using sophisticated software to enable active participation while learning. The ocean plates spread and grow in opposite directions, so rocks that are equidistance from the center have the same magnetic polarity and age. The Mid-Atlantic Ridge, for instance, separates the North American plate from the Eurasian plate, and the South American plate from the African plate. 4: Identify sources of information and assess their reliability according to the strict standards of scientific investigation. At ridges in the middle of oceans, new oceanic crust is created. Loading Unsubscribe from Korina Bierman? Model of Seafloor Spreading - Duration: 5:38. Preview; Assign Practice; Preview. 3: How long/wide the is mid-ocean ridge system? Where is it located? 65,000 km/1,500 km snakes across the earths surface above and below sea level 4: What type of plate boundary forms a mid-ocean ridge system? Explain. Scroll down for a preview of this learning objective's games and the concepts they drive home. Define seafloor spreading, and describe how reversals in the Earth's magnetic field appear on the seafloor. com General Science 1110l Lab 9 Sea Floor Spreading -> Source : web2. The lithosphere is divided into plates that move relative to each other, and we can detect those motions using GPS and other technologies. Like the scientists before us, we will now merge the ideas of continental drift and seafloor spreading into the theory of plate tectonics. The diagram on the next page represents the ocean floor in the North Atlantic Ocean. Explain when, where, what, how, and why it occurred. Seafloor Spreading Model. These age data also allow the rate of seafloor spreading to be. In 1965, a Canadian geophysicist, J. Communication. 4 Plate Tectonics and the Rock Cycle Standards Review Standards Assessment Lab work. Sea Floor Spreading Worksheet Key Ocean floor diagram quizlet diagram of the ocean floor model of sea floor spreading sea floor spreading worksheet. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid-ocean r. The purpose of these studies was to understand the topography of the sea floor to find hiding places for both Allied and enemy submarines. Ocean Structure Virtual Lab: ocean floor characteristics I. Van Dover, C. Modeling sea floor spreading. Name: _____ Sea-Floor Spreading Lab INTRODUCTION In the late 1950s, considerable research was conducted to find a means of detecting large steel objects beneath the ocean surface (submarines). Gallian Ch 9-11 Summary Essentials Of Comparative Politics - chapters 1-11 Summary Media And Culture: Mass Communication In A Digital Age - Chapters 5-10 Bathymetry Template - Lab 1 Matter and Energy Transfer Measurement Template - Lab 3. Wait a few seconds for it to load, and there should be a movie. 4 September 2007 MAR 110 Lab 3: Ex 1-3 - PT 1 Laboratory 3: Exercise 1-3 Ocean Basin Physiography & Plate Tectonics 3-1. Ocean Depth (y-axis) for the Atlantic Profile graph. org (unit 3 lesson 2) Sea-floor Spreading with Bill Nye clip. The Seafloor Spreading and Subduction learning objective — based on NGSS and state standards — de From Space to Earth Meteor Crater. Using the foldables, explain what seafloor spreading is, where it occurs, and what it causes (use the passage!). In this investigation, you will use patterns of magnetic polarity reversals (north and south switch places) to compare rates of seafloor spreading. Sea-floor spreading can inevitably create new oceans. Climate change buried a desert 20,000 feet beneath the Gulf of Mexico seafloor! How about that, geology fans? Brett Cullen as Apollo 15 Mission Commander Dave Scott, From the Earth to the Moon, Episode 10, Galileo Was Right, 1998 “A tale of upheaval and battles won and lost. Define seafloor spreading, and describe how reversals in the Earth's magnetic field appear on the seafloor. The length is about 2. After the war, this technology was used to map the ocean floor. m ag m a cools and flow s sid ew ays, form ing new seafloor. Masino,12/20/17, Plate Tectonics Lab Objective(s): Identify. Explain the three types of evidence for sea-floor spreading c. The seafloor moves and carries continents with it. These plates “ride” on the hot plastic upper mantle called the asthenosphere. The following five lessons are covered: Layers of the Earth, Convection Currents in the Mantle, Continental Drift, Seafloor Spreading, and Theory of Plate Tectonics. This worksheet, completed. symbolics-dk. Earthquakes Living Lab: The Theory of Plate Tectonics Plate Tectonics Day 3 Sea Floor Spreading: Evidence for Continental Drift For Teachers 6th - 8th. I can explain how heat inside Earth (convection currents) recognize features caused Continental drift Pangaea Seafloor. Show Tanya Atwater animations of Sea Floor Spreading. org) was used to help make this map. Make sure to watch the notes screencast on sea-floor spreading before completing any of the activities. This first map set covers Hueneme Canyon and vicinity, and includes 12 map sheets displaying seafloor characteristics, an explanatory pamphlet. Some of the worksheets for this concept are Continental drift sea floor spreading and plate tectonics, Sea floor spreading work, Lab work plate tectonics, A model of seafloor spreading, Sea floor spreading, Inside earth work, Plate tectonics. 3 years ago. )The teacher will take students to the computer lab to view a video on the ocean floor. Chapter Lab Investigation: • Directed Inquiry: Modeling Sea-Floor Spreading Open Inquiry: Modeling Sea-Floor Spreading Inquiry Warm-Ups: • How Are Earth’s Continents Linked Together? • What Is the Effect of a Change in Density? • Plate Interactions Quick Labs: • Moving the Continents • Mid-Ocean Ridges • Reversing Poles. Molten rock from a magma. Lab-Test 1: Jan 24 Activity 2: Jan 25, 30, 31; Feb 1 and 6 Exercises (lab-book and/or online) on seawater temperature, salinity and related physical. Sea floor spreading is a difficult concept for students to understand. The marker stripes in this lab represent the new rock forming during sea floor spreading, where the newest rock are closer to the mid-ocean ridge, and the oldest rock are further away from the. Some of the worksheets displayed are Sea floor spreading work, Name date sea floor spreading l 1 2 3, Inside earth work, Answer key to sea floor spreading, Lab work plate tectonics, Seafloor spreading and plate tectonics, Magnetic reversals activity, Lesson 3 a moving crust. The moon would be waning when it is appears to be getting smaller, when it is "losing" light, therefore we don't see it as much, until it is a new moon. 6 Date: Name: The map of the northern Atlantic Ocean Basin (Fig. Tuzo said that Earth’s crust, or lithosphere, was divided into large, rigid pieces called plates. Do the same for subduction. Welcome to Earth/Environmental Science, a 9th grade level course featuring the study of the Earth, the Solar System and the Universe, and Ecological Interactions on Earth. Research seafloor spreading and explain how scientists have proven it is occurring. The two sides of the ridge are moving in opposite directions leaving a rift that is the site of submarine volcanic eruptions. You will submit your completed report. NOW Seasons – Earth has NO Tilt! Learn how seasons differ across the equator, and how the earth’s days and seasons are impacted when Earth has no tilt. These age data also allow the rate of seafloor spreading to be. The earth does not get bigger. Uncover the evidence for sea-floor spreading. The distance between us and them: Sea floor spreading in the Atlantic Ocean 1. 20 Ma 20,000,000 yrs. The following five lessons are covered: Layers of the Earth, Convection Currents in the Mantle, Continental Drift, Seafloor Spreading, and Theory of Plate Tectonics. Ocean Bottom Seismology Lab. p17-19 and Chapter 12 p. Answer the following questions using your model of sea-floor spreading. The NeMO also includes a real-time communication system called NeMO Net that allows scientists in the lab to interact with instruments on the seafloor. Seafloor Spreading Theory. Start studying Chapter 10 Virtual Lab. Part 1 studies spreading of plates from a mid-ocean ridge. Estimated Class Time for the Engagement: 20-30 minutes. Sea-Floor Spreading Answer Key. Seafloor spreading is most dynamic along giant underwater mountain ranges known as mid-ocean ridges. To learn more about these forces, click the buttons below and answer the questions that apply to sea-floor spreading. Scroll down for a preview of this learning objective's games and the concepts they drive home. These isochrons geomagnetic polarity time scale. In Part 1, students view Flash interactives and QuickTime videos which delineate the relationship between volcanoes, earthquakes and plate boundaries and discuss the ancient continent of Pangaea. This graphic shows several ocean floor features on a scale from 0-35,000 feet below sea level. Life on an Ocean Planet Lab 7Chapter 13 - Lab/Activity 3Riding the Ridge: Studies in Seafloor SpreadingFlorida Marine Science Standards SC. SCIENCE: Geology Quiz #3 on Sea-floor spreading, plate tectonics, plate boundaries 6/17. Seafloor spreading is a geologic process in which tectonic plates of Earth's lithosphere move apart from each other due to mantle convection. Learners create a paper model to illustrate sea-floor spreading. Glencoe/McGraw-Hill. edu 2017 01 25 11 08 -> Source : www. Plate Tectonics Lab Station Activity Teach Science With Fergy -> Source teachsciencewithfergy. com Lesson 2 Worksheet Seafloor Spreading ppt video online from Sea Floor Spreading Worksheet, source:slideplayer. An underwater volcano off the coast of Oregon has risen from its slumber and may be spewing out lava about a mile beneath the sea. This first map set covers Hueneme Canyon and vicinity, and includes 12 map sheets displaying seafloor characteristics, an explanatory pamphlet. Plate Tectonics Lab Report Instructions: In the Plate Tectonic lab you will investigate the interactions between. 6-7 Start Lab Wed November 9 - Sea-Floor Spreading Lab Thu November 10 - Plate Tectonics Notes p. There are three parts to this lab. Learning Goals Students will learn the features of the seafloor that provide evidence for seafloor spreading and plate tectonics and how those features formed. spreading centers meet. Here is how sea-floor spreading works. Each module consists of two boOklets: a teachWs guide and student investigation. You might want to save this for your portfolio. The moon would be waning when it is appears to be getting smaller, when it is "losing" light, therefore we don't see it as much, until it is a new moon. During sea-floor spreading, two tectonic plates move apart, forming a crack. Start a new experiment on the data collection system. In 1965, a Canadian geophysicist, J. Sea-Floor Spreading Lab INTRODUCTION In the late 1950s, considerable research was conducted to find a means of detecting large steel objects beneath the ocean surface (submarines). 9/16-Plate discussion/Summary Table/Quiz lesson 1 9/17- How the Earth was Formed video 9/18-How the Earth was Formed Video 9/19-Finish video 9/20- Activity 2. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This site from the University Corporation for Atmospheric Research (UCAR) offers an interactive simulation that shows how magnetic stripes on the ocean bottom can reveal the age of the material and reveal plate motion. 1 Celebrate Your Brain. Seafloor Spreading During World War 2, SONAR technology was developed in order to detect German submarines. Lab-Test 1: Jan 24 Activity 2: Jan 25, 30, 31; Feb 1 and 6 Exercises (lab-book and/or online) on seawater temperature, salinity and related physical. Paleomagnetism: Strong evidence of Seafloor Spreading and Plate Tectonics. 5 Recognize that lithospheric plates on the scale of continents and oceans continually move at rates of centimeters per year. LAB 4-3: SEA-FLOOR SPREADING INTRODUCTION: Sea-floor spreading is the hypothesis that the sea floor moves sideways away from the crest of a mid-ocean ridge. Answers vary. What kind of wave travels by squeezing and spreading? ~ The waves are called compression waves. This is the case. As a result, sensitive equipment was constructed that could detect very small changes in the earth's magnetic field - and could be carried in aircraft. Part 1 - The Atlantic Ocean (1) The major topographic feature of the Atlantic Ocean floor is called the _____. Magnetic stripes Modelling the symmetrical magnetic pattern of the rocks of the sea floor The magnetic properties of the rocks below the sea bed have been used to show that the ocean floors are spreading outwards. Age of rocks the 1st evidence of seafloor spreading Convergent plate boundaries the sites where 2 plates are moving toward each other and the motion is accommodated by one plate sliding beneath the other. If finished, play matching game. Seafloor spreading, theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them. Get Started. Magma (hot molten underground rock material) rises up into the. One of the most important discoveries was made during Leg 3. SONAR SOund Navigation And Ranging (Science starting working on the idea around 1914 and perfected it around the 1930- 1940. LAB - Evidence of Sea Floor Spreading Activity Purpose: The purpose of this activity is to make a simple magnetic polarity model that illustrates the concept of sea-floor spreading and the development of symmetrical magnetic "stripes" on either side of a mid- ocean spreading center. Like the scientists before us, we will now merge the ideas of continental drift and seafloor spreading into the theory of plate tectonics. Ocean Floor Features Vocab Crossword Wordmint The ocean floor worksheets diagram geologic landforms of the ocean floor geological ocean floor features activity worksheets teachers pay seafloor spreading questions q. This process is called sea floor spreading. To learn more about these forces, click the buttons below and answer the questions that apply to sea-floor spreading. So, as new rocks are formed along mid-ocean ridges, older rocks are subducted - and destroyed- into trenches. These anonymous samples can be from anyone over the age of 18. Use tape for reinforcement. I can explain how heat inside Earth (convection currents) recognize features caused Continental drift Pangaea Seafloor. Fred Vine and D. 6C, what are the ages for the North and South Atlantic basins at the locations examined?. I can explain how heat inside Earth (convection currents) recognize features caused Continental drift Pangaea Seafloor. Plate tectonics - Plate tectonics - Seafloor spreading: As upwelling of magma continues, the plates continue to diverge, a process known as seafloor spreading. Your goal is to outline the spreading history of the Indian Ocean from anomaly 34-time to the present. What is SONAR? ~ A system that uses sound waves to tell how far something is. The mid-ocean ridge system is 65,000 km long 1,500 km wide. Uncover the evidence for sea-floor spreading. Age of rocks the 1st evidence of seafloor spreading Convergent plate boundaries the sites where 2 plates are moving toward each other and the motion is accommodated by one plate sliding beneath the other. On the grid below, construct a line graph of bedrock age by plotting the age of the bedrock shown by each isoline that crosses line AB. Find the spreading rate (speed) by dividing distance by the time it took to move that distance. 1 Explain how the rock cycle, plate tectonics, volcanoes, and earthquakes impact the lithosphere. Give one example of how subduction is different than sea-floor spreading. Because students choose different study sites, their answers will vary but should fall within the range of a 9-12km/My half-rate. Magnetic stripes on the ocean floor: a lab simulation Learning objectives: the Earth’s magnetic field has ‘flipped’ (the N pole becoming the S pole, and vice versa) many times over geological time ; as tectonic plates move apart, new rock is formed and locks in the direction of the magnetic field at the time. This is a breakthrough in ocean engineering which utilizes an acoustic modem to relay data from seafloor instruments up to a moored sea-surface buoy, which in turn sends the data to NOAA's. This affordable, no-prep product is a complete unit bundle on the PLATE TECTONICS Unit. Answer the following questions using your model of sea-floor spreading. Estimate the age of the ocean-floor bedrock at point X. • Hess proposed the radical idea that the ocean floors move like a conveyer belt, which in turn move the continents. 1 Explain how processes and forces affect the lithosphere. Click the picture to see an animation on how the magnetic stripes on the ocean floor form. This shell is very thin compared to the size. Continental Drift And Plate Tectonics Virtual Lab Http Earthguide General Science 1110l Lab 9 Sea Floor Spreading. Evidence: When one fluid ounce of vinegar was used, it took 54. 4: Identify sources of information and assess their reliability according to the strict standards of scientific investigation. redhookcentralschools. The nine new cases — which came after just. A Scottsdale-based national telehealth provider says businesses looking to bring employees back to the workplace can benefit from a newly developed at-home Covid-19 test. To understand the concept of Seafloor Spreading, we must first understand some basic concepts that form the cornerstones for the concept of Seafloor Spreading. Reading: Theory of Plate Tectonics. Laboratory Activities: These activities do not require elaborate supplies or extensive pre-lab preparations. c There are three main types of plate boundaries: divergent, convergent and transform. Geography of the Oceans 5. LAB 4-3: SEA-FLOOR SPREADING INTRODUCTION: Sea-floor spreading is the hypothesis that the sea floor moves sideways away from the crest of a mid-ocean ridge. Ocean Floor Diagram Worksheet Answers. Dynamic Earth Sea-Floor Spreading Lab Introduction: According to the theory of plate tectonics (from the Greek, tetko, 'builder') the Earth's crust is broken into many slowly moving plates. In seafloor spreading, the further the ocean floor is away from the mid-ocean ridge, the _____ that floor will be. Book Solution "Contemporary Abstract Algebra", Joseph A. Using a tool that can record magnetism, they found magnetic patterns on the sea floor! The pattern on one side of a mid-ocean ridge was a mirror image of the pattern on the other side of the ridge. ; The regions that hold the unique record of earth's magnetic field lie along the mid-ocean ridges where the sea floor is spreading. Once the points are plotted, connect the points and shade in the profile of the ocean floor. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid-ocean ridge. htm link to open resource. Cuomo said. Concepts Covered. 3: How long/wide t he is mid-ocean ridge system? Where is it located?. 202 km (43 miles). Simulate and learn about the natural geological occurrences common on Earth with the geology models. As you can see from the figure on the right, (taken from Menard, & Atwater, 1968) their model suggested as the plates shifted and moved, so did the spreading centers. 3 (B) Use models to represent aspects of the natural world such as an atom, a molecule, space, or a geologic feature. Exploring the Arctic Seafloor Take a virtual expedition deep hot rock from Earth's core is forced up to the seafloor's surface and new ocean floor forms in a process known as seafloor. Using a tool that can record magnetism, they found magnetic patterns on the sea floor! The pattern on one side of a mid-ocean ridge was a mirror image of the pattern on the other side of the ridge. The teacher's guide contains all of the information present in the 4tudent. Sandwell Developing the theory [This Dynamic Earth, USGS]. The Theory of Plate Tectonics. Marie Tharp and Bruce Heezen were the first discover the mid-ocean ridge. VHS Learning students take AP ® Environmental Science with peers from around the world, discussing global issues, asking each other questions, and comparing environmental observations across the states and countries where they live. Motion is accommodated by the creation and destruction of lithosphere along zones of subduction and sea-floor spreading respectively. As a result, sensitive equipment was constructed that could detect very small changes in the earth's magnetic field - and could be carried in aircraft. Ocean Floor Features Vocab Crossword Wordmint The ocean floor worksheets diagram geologic landforms of the ocean floor geological ocean floor features activity worksheets teachers pay seafloor spreading questions q. The process continues today. Convection Current Theory Convection Current Theory is the soul of Seafloor Spreading Theory. The oldest sections should be the sections on both sides furthest from the middle 4. NC Essential Standards EEn. At ridges in the middle of oceans, new oceanic crust is created. Oceanic crust has been likened to a tape recorder moving on a giant sea-floor conveyor belt. Click on the radio buttons next to ^Inv : Sea Floor Spreading _. Lab Investigation Modeling Sea-Floor Spreading Reviewing Content Mid-ocean ridges are long, underwater mountain chains that rise up from the ocean floors. Explain how fast the Pacific and Atlantic plates are moving. Time, and/or further factual observations, will prove one or the other opinion correct. Ice cap receded to about present extent 5 million years ago Metamorphic rocks, marble and gneiss, beneath sediments of Ross Shelf. 3) What happens to old oceanic crust as new molten material rises from the mantle?. 3: How long/wide t he is mid-ocean ridge system? Where is it located?. The Ridge 2000 program is an interdisciplinary research program sponsored by the National Science Foundation that is focused on integrated studies of all aspects of the Earth's oceanic spreading centers - from mantle to microbe. Motion is accommodated by the creation and destruction of lithosphere along zones of subduction and sea-floor spreading respectively. Sea-Floor Spreading. question 3, page 55 Most sediment in the ocean is terrigenous sediment; it comes from land, and is deposited in shallow water. Plate Tectonics. At the completion of this activity you should be able to: • Plot data on a. 1,2,3) Microscopes (OBJ. Plate Tectonic Stations. The magma cools and if it gets high enough, it could create islands. Where are there deeper areas of the Atlantic Ocean?. 2 (4 Words) Due: 12/9 12/6: Section 3. Students can learn about how the seafloor spreads at mid-ocean ridges through a small group project that will challenge them to demonstrate how new oceanic crust forms out of a rift valley and spreads to either side of a mid-ocean ridge. What they discovered was the mid-ocean ridge was actually a site where tectonic plates, which are large pieces of the earth's crust, were pulling apart from. But NEPTUNE Canada is changing this. Lab 12 Sea Floor Spreading Answers Lab 12 Sea Floor Spreading Right here, we have countless book Lab 12 Sea Floor Spreading Answers and collections to check out. Sea Floor Spreading Worksheet The Best and Most prehensive from Sea Floor Spreading Worksheet, source:worksheets. The oldest sections should be the sections on both sides furthest from the middle 4. Humboldt County Public Health announced today that it has confirmed nine new COVID-19 cases, the largest single-day case spike in more than two months. After the war, this technology was used to map the ocean floor. WRITE the question & correct answer on notebook paper. Seafloor Spreading During World War 2, SONAR technology was developed in order to detect German submarines. News Search Form (Seafloor spreading) Search for Articles: Subscribe to RSS. Plate tectonics - Plate tectonics - Seafloor spreading: As upwelling of magma continues, the plates continue to diverge, a process known as seafloor spreading. We are two sisters on a mission to demystify science with humor and relevance by creating videos, GIFs, handouts, and comics. Since its inception over 20 years ago, Red Sea’s vision has been to create a world in which marine and reef aquariums are the aquariums of choice for all hobbyists. We call this sea floor spreading. Day 11- Layer A work day. Sea-Floor Spreading. 1) Let's assume the oldest oceanic crust formed when Pangaea started to split apart. NASA scientists have created a two-minute animated tour under the Pacific Ocean, based on real data about the sea floor's peaks and valleys. Fairly young, or fairly old? 18. X-axis is # half-lives, Y-axis is # M&Ms. We love empowering teacher and student creators. One of the fundamental aims of the EarthByte Group is geodata synthesis through space and time, assimilating the wealth of disparate geological and geophysical data into a four-dimensional Earth model including tectonics. The Earth's Layers. Temperatures of Seawater 7. 2 (4 Words) Due: 12/9 12/6: Section 3. Hello, This time we bring you some awesome photos that we've gathered just for you, for today we are focused concerning Middle School Lab Safety Worksheet. Why is it more accurate to use velocity in the mealworm lab? The worms tended to go in different distances at different speeds ,and velocity shows speed and direction 5. The diagram on the next page represents the ocean floor in the North Atlantic Ocean. @article{osti_6945195, title = {Glomar Challenger: deepest drilling oceanographer}, author = {Joseph, J. ) What would the graph look like when the. Imagine that it is 1940 and you have landed your dream job as an oceanographer on a research ship using single-beam sonar technology to explore a never-before mapped section of the ocean floor. On the grid below, construct a line graph of bedrock age by plotting the age of the bedrock shown by each isoline that crosses line AB. This idea played a pivotal role in the development of the theory of plate tectonics, which revolutionized geologic thought during the last quarter of the 20th century. This affordable, no-prep product is a complete unit bundle on the PLATE TECTONICS Unit. The motivating force for seafloor spreading ridges is tectonic plate slab pull at subduction zones, rather than magma pressure, although there is typically significant magma activity at spreading ridges. features of the sea floor Use the attached presentation to help you learn about the lithosphere under the oceans. 6 Date: Name: The map of the northern Atlantic Ocean Basin (Fig. Spreading Started 100 _m. Learners create a paper model to illustrate sea-floor spreading. Why is it more accurate to use velocity in the mealworm lab? The worms tended to go in different distances at different speeds ,and velocity shows speed and direction 5. Check/go over WB p. To understand the concept of Seafloor Spreading, we must first understand some basic concepts that form the cornerstones for the concept of Seafloor Spreading. Introduction: Where two tectonic plates diverge new sea floor is created. 0 Comments April 13th, 2018. Chapter 5 - Pangaea Animation Plate Boundaries Sea Floor Spreading Sea Floor Spreading 2. 3, there. The Ocean Bottom Seismology (OBS) Lab develops and operates instruments used to measure deformation of the ocean floor in cooperation with the NSF's National Ocean Bottom Seismograph Instrumentation Pool (OBSIP). It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. Picture of Satvik's nails that I painted: Powered by Create your own unique website with customizable templates. Answers vary. Many students have never had the experience of seeing the. 2) The elevation of the seafloor is progressively lower away from mid-ocean ridges. Define seafloor spreading, and describe how reversals in the Earth's magnetic field appear on the seafloor. Have you ever wondered what happens at our last frontier in the depths of the ocean on the sea floor? My 6th grade science class lives in a high poverty area that is located far from any sea or ocean. Wood Sofa Furniture Designs. The profiles were measured by a ship that crossed the ridge in four places. The educational charts assist all levels and subjects with lesson reinforcement. Draw an illustration of your sample of magnetite and your sample of basalt in the space provided. 1) shows is chrons ( lines ofequal age) of te basaltic crust beneath the sediments that have accumulated on the seafloor. com Sea floor spreading lab seafloor spreading model name date block sea floor spreading project answer key lab 4 an expedition to the seafloor answer key. above) Page 94-"Directed Reading A: Continental Drift and Sea-Floor Spreading" "Sea-Floor Spreading Lab. 2 Predict the locations of volcanoes, earthquakes, and faults based on information contained in a variety of maps. At the spreading center on a mid-ocean ridge the depth of the seafloor is approximately 2,600 meters (8,500 ft). What was the depth and magnitude of the earthquake? What was the death-toll? Were there any mitigation efforts?. The reason for this is that the lithosphere is essentially "floating" on the asthenosphere. The images of Wisconsin primary voters standing in lines stretched for blocks early in the coronavirus pandemic should serve as a lesson. 3) The magnetic history of the seafloor bears the _____ pattern of the Earth’s. Day 2: Lab: Sea Floor Spreading Day 3: Computer Lab: ClassZone ES01101, ES0802 Day 4: Discussion / Test / Study Guide Section 2: (2. Students will also develop and practice higher order thinking skills. The Ridge 2000 program is an interdisciplinary research program sponsored by the National Science Foundation that is focused on integrated studies of all aspects of the Earth's oceanic spreading centers - from mantle to microbe. 1 shows the magnetic reversals that have occurred in three different ocean basins over the last 80 million years. Learning Goals Students will learn the features of the seafloor that provide evidence for seafloor spreading and plate tectonics and how those features formed. Page 92-Pangaea Lab puzzle and lab questions. Explain when, where, what, how, and why it occurred. It is located underneath the sea at divergent plate boundaries. Magnetic stripes on the ocean floor: a lab simulation Learning objectives: the Earth’s magnetic field has ‘flipped’ (the N pole becoming the S pole, and vice versa) many times over geological time ; as tectonic plates move apart, new rock is formed and locks in the direction of the magnetic field at the time. Answers vary. In this earth science activity (page 14 of the PDF), learners use layers of closed-cell foam to create their own model of the mid-ocean ridge in order to simulate seafloor spreading. It is located. Lab: Radioactive Decay - LAB Graphing: 2 line graphs. Ocean basin are spreading at various rates along their spreading ridges. Study the map carefully and answer the questions below. Earthquake Simulation Lab Link Earthquake Simulation Activity. Marine Charts or Finding Your Way Around 3. Write down & a nswer these questions in lab notebook: 1. Science of Everyday Things. lab seafloor spreading rates answers. 5: Explain how ridges form: Lava flows into the valley formed by a divergent boundary. Imagine that it is 1940 and you have landed your dream job as an oceanographer on a research ship using single-beam sonar technology to explore a never-before mapped section of the ocean floor. Label each illustration. the 2nd evidence of seafloor spreading. An example is the Mid-Atlantic Ridge. What is Sea-Floor Spreading? Sea-floor spreading is a process that slowly adds new rock to the. SEAFLOOR BATHYMETRY World War II gave scientists the tools to find the mechanism for continental drift that had eluded Wegener. Background: Earth's highest mountains, deepest valleys, and flattest plains are found not on land but under the ocean. Salinity of Seawater 8. If sea-floor spreading operates, the youngest oceanic crust should be found at the ridges and progressively older crust should be found in moving away from the ridges towards the continents. Their crystals are pulled into alignment by the Earth's magnetic field, just like a compass needle is pulled towards magnetic north. As a result, sensitive equipment was constructed that could detect very small changes in the earth's magnetic field - and could be carried in aircraft. 4: Identify sources of information and assess their reliability according to the strict standards of scientific investigation. Page 92-Pangaea Lab puzzle and lab questions. symbolics-dk. This area is called a subduction. Describe the process of seafloor spreading. This creates new ocean crust. Students gather evidence to explain the theory of plate tectonics. Earth and Space Science (Plate Tectonics) - Page 3 of 3 ESS. Lowest risk: “Virtual-only activities, the higher the risk of Covid-19 spreading during a gathering. Modeling Sea-Floor Spreading Along the entire length of Earth's mid-ocean ridge, the sea floor is spreading. Virtual Classes Dissection Labs Videos Rates & Policies Photos Hands-On Science Class and Project Photos. above) Page 94-"Directed Reading A: Continental Drift and Sea-Floor Spreading" "Sea-Floor Spreading Lab. pdf] - Read File Online - Report Abuse. Sea-floor spreading takes place at mid-ocean ridges. As a result, sensitive equipment was constructed that could detect very small changes in the earth's magnetic field - and could be carried in aircraft. Seafloor spreading is the movement of magma through a crack in a mid-oceanic ridge. Ocean Floor Diagram Quizlet Lab H Oceanography READ Cost To Repair Floor Joists. 5: Explain how ridges form: Lava flows into the valley formed by a divergent boundary. They also look at how volcanoes and earthquakes are explained by tectonic plate movement, and how engineers use this information. Introduction. SWBAT create a graph modeling the process of sea-floor spreading in continental drift (and rock formation) Big Idea In this lesson, students construct a graphical model of the ocean floor (the Atlantic Ocean), describing its physical features, identifying its plate motion and associated characteristics, and diagraming its magnetic polarity. 6C, what are the ages for the North and South Atlantic basins at the locations examined?. This process that creates new ocean floor from diverging plates is sea-floor spreading Discussion Questions Part 2: A tectonic plate that gets subducted is a plate recycled. Excellent maps of the general features of the ocean floor are available on the National Geographic Society Online Atlas Explorer. edu 2017 01 25 11 08 -> Source : www. The nine new cases — which came after just. Marine Charts or Finding Your Way Around 3. Mid-Ocean Ridge Activity This activity consists of naming the continents, identifying mid-ocean ridges, and determining the age of the ocean floor. Learning Goals Students will learn the features of the seafloor that provide evidence for seafloor spreading and plate tectonics and how those features formed. Calculating seafloor spreading rates — To determine age of seafloor at a particular location, measure distance to ridge, and calculate the half spreading (spreading in 1 direction). Nov 4­9:20 PM Geomagnetic Reversals. In Plate Tectonics, students are introduced to the theory behind this geophysical phenomenon and investigate the evidence that supports it. What kind of wave travels by squeezing and spreading? ~ The waves are called compression waves. Tue November 8 - Sea-Floor Spreading Notes p. Estimate the age of the ocean-floor bedrock at point X. The teacher's guide contains all of the information present in the 4tudent. where the sea floor is being spread apart and new ocean crust forms. Since sea-floor spreading is a continuous process on a geological timescale, the process preserves rocks of alternating polarity across the ocean floor (Figure 7a). Seafloor Spreading and Polar Reversal. notebook 3 November 06, 2015 Nov 5­5:40 PM Tape two strips each together, maintaining the matching colors Nov 5­5:40 PM Load your strips up through the middle and out to the ends. This includes movement and shifting of tectonic plates, gushes of magma due to the pressure underneath (the magma cools beneath the ocean forming ridges), symmetrical rock formation and from the deep sea trenches that form as a result of the shift of the continental. Click http://www. Subsequent research discovered that the Earth's surface was composed of a number of oceanic and continental plates that float on top of the asthenosphere (see Figure 10i-3). How does sea-floor spreading work. Chapter 5 - Pangaea Animation Plate Boundaries Sea Floor Spreading Sea Floor Spreading 2. This idea played a pivotal role in the development of the theory of plate tectonics, which revolutionized geologic thought during the last quarter of the 20th century. Lab 12 Sea Floor Spreading Answers Lab 12 Sea Floor Spreading Right here, we have countless book Lab 12 Sea Floor Spreading Answers and collections to check out. doc from SCIENCE 2182 at Florida Virtual School. On the grid below, construct a line graph of bedrock age by plotting the age of the bedrock shown by each isoline that crosses line AB. GeoMapApp will be used to help students visualize the elevation of the ocean floor and then apply this experience to gain an understanding that there are underground mountain ridges in areas where tectonic plates meet caused by volcanoes. Submit your work via Bb. Flatten as needed to put in your NB. Pics of : Ocean Floor Diagram Worksheet Answers. Modeling Sea-Floor Spreading Lab Activity. Explain the process of subduction at deep-ocean trenches d. Mid-ocean ridges, also called seafloor-spreading centers, are long, linear volcanic ridges formed where the seafloor cracks into 2 plates of oceanic crust that spread away from each other. 6 Describe the relationship between plate movements and earthquakes, mountain building, volcanoes, and sea floor spreading. I apologize that the video is sideways. Cite recent evidence that supports the theory of plate tectonics. The process continues today. Plate Tectonics Lab Report Instructions: In the Plate Tectonic lab you will investigate the interactions between. Examples of activities so far created involve calculation and analysis of the rate of seafloor spreading; compilation of present-day evidence for huge ancient landslides on the seafloor around the Hawaiian islands; a study of radiometrically-dated volcanic rocks to help understand the concept of hotspots; and, the optimisation of contours as a. Sea-Floor Spreading Answer Key. This site from the University Corporation for Atmospheric Research (UCAR) offers an interactive simulation that shows how magnetic stripes on the ocean bottom can reveal the age of the material and reveal plate motion. Sea-Floor Spreading Lab INTRODUCTION In the late 1950s, considerable research was conducted to find a means of detecting large steel objects beneath the ocean surface (submarines). Created Date: 3/5/2012 10:35:05 AM. At ridges in the middle of oceans, new oceanic crust is created. One of the fundamental aims of the EarthByte Group is geodata synthesis through space and time, assimilating the wealth of disparate geological and geophysical data into a four-dimensional Earth model including tectonics. Displaying top 8 worksheets found for - Seafloor Spreading Theory. Seafloor spreading is most dynamic along giant underwater mountain ranges known as mid-ocean ridges. Sea floor spreading worksheet pdf with images review and reinforce sea floor spreading fill online printable seafloor spreading questions q sea floor spreading pg 23 29. Well, in the case of the sea floor spreading hypothesis, the magnetic anomalies seemed to be a good bit of proof, but they were not enough for everyone to believe the idea. By determining ages of seafloor basalts one can determine sea floor spreading rates. The all right book, fiction, history, novel, scientific research, as well as. At other locations on the ocean floor, old ocean floor slides beneath another plate and goes back into the earth’s mantle. Seafloor spreading worksheet pdf answer seafloor spreading model name date sea floor spreading sea floor spreading pg 23 29Pics of : Sea Floor Spreading Activity Pdf Seafloor Spreading Worksheet Pdf Answer Key Fill Online -> Source www. In the Atlantic, the plates move away from the mid-ocean ridge at a rate of about one centimeter per year. Sea-Floor Spreading Answer Key. Convection Current Lab Week 3: Continental Drift Fossils and Pangaea Foldable Graham Cracker Plates Week 4: Sea-Floor Spreading Sea Floor Spreading Sheet Sea Floor Spreading Simon Says Sea Floor Spreading Lab Week 5: Plate Tectonics Graham Cracker Lab Week 6: Forces of Earth's Crust Fault Blocks Clay Faults Faults Foldable. LAB - Evidence of Sea Floor Spreading Activity Purpose: The purpose of this activity is to make a simple magnetic polarity model that illustrates the concept of sea-floor spreading and the development of symmetrical magnetic "stripes" on either side of a mid- ocean spreading center. Lab Procedures. , Sclater and. The spreading process creates an average width of (c) 6 m of new crust every 100 years. Once you have labeled each map correctly, you should be able to answer the series of questions that follow the exercise. Significance. ” Mobil’s battles to drill Mobile Bay #76-1 didn’t end the. This is a mid-ocean ridge. Sea Floor Spreading. I can explain how heat inside Earth (convection currents) recognize features caused Continental drift Pangaea Seafloor. 317-325 Reference: The exercise on sea-floor spreading was adapted from the following paper: Shea,. -- Seafloor age: 20 Ma. Ocean Depth (y-axis) for the Atlantic Profile graph. Deep sea trenches - Real life example The deepest trench in the world is the Mariana trench (located near the Mariana islands). Marie Tharp and Bruce Heezen were the first discover the mid-ocean ridge. Scientific exploration of the deep sea in the late 1970s led to the discovery of seafloor massive sulphides at hydrothermal vents. Check it out. The spreading process creates an average width of (c) 6 m of new crust every 100 years. Start a new experiment on the data collection system. VHS Learning students take AP ® Environmental Science with peers from around the world, discussing global issues, asking each other questions, and comparing environmental observations across the states and countries where they live. There are three parts to this lab. Big Bang theory ____16. edu/forteachers/SeafloorSpreading. 34-36 HW: Continue working on Review Packet and Virtual Lab Journal Questions Thursday: CW: Mapping Features Along Plate Boundaries HW: No HW Friday:. Part 1 studies spreading of plates from a mid-ocean ridge. Seafloor Spreading-Harry Hess proposed the idea-Magnetic poles switch causing iron in rocks to change directions occurs about every 1/2 million years. question 3, page 55 Most sediment in the ocean is terrigenous sediment; it comes from land, and is deposited in shallow water. 11) The chain of mountains that extends into all of Earth’s oceans is the _____. Plot the data from # M&M Down AND Total M&M Removed. Seafloor spreading is the creation of new seafloor or new oceanic crust 5. Book Solution "Contemporary Abstract Algebra", Joseph A. 0 Comments April 13th, 2018. Sea Floor Spreading and Plate Tectonics 4. 9/16-Plate discussion/Summary Table/Quiz lesson 1 9/17- How the Earth was Formed video 9/18-How the Earth was Formed Video 9/19-Finish video 9/20- Activity 2. Once the points are plotted, connect the points and shade in the profile of the ocean floor.