Quarter 1 Module 8 Evidence Of Plate Movement

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10ScienceQuarter 1 – Module 8Evidence of Plate Movement

10ScienceQuarter 1 – Module 8Evidence of Plate Movement2

Science – Grade 10Alternative Delivery ModeQuarter 1 – Module 8: Evidence of Plate MovementFirst Edition, 2020Republic Act 8293, section 176 states that: No copyright shall subsist in any workof Government of the Philippines. However, prior approval of the government agency oroffice wherein the work is created shall be necessary for exploitation of such work for profit.Such agency or office may, among other things, impose as a condition the payment ofroyalties.Borrowed materials (i.e., songs, stories, poems, pictures, photos, brand names,trademarks, etc.) included in this book are owned by their respective copyright holders.Every effort has been exerted to locate and seek permission to use these materials fromtheir respective copyright owners. The publisher and authors do not represent nor claimownership over them.Published by the Department of EducationSecretary: Leonor Magtolis BrionesUndersecretary: Diosdado M. San AntonioDevelopment Team of the ModuleWriterEditorsReviewerLayout Artist: Jasmin P. Fabillar: Juvimar E. Montolo and Juvy M. Suello: Florencio Labiste: Jasmin P. FabillarManagement Team:Schools Division Superintendent– Dr. Marilyn S. Andales, CESO VAssistant Schools Division Superintendent – Dr. Cartesa M. Perico– Dr. Ester A. Futalan– Dr. Leah B. Apao– Dr. Mary Ann P. Flores– Mr. Isaiash T. Wagas– Mrs. Juvimar E. MontoloChief, CIDEPS in LRMSEPS in SciencePrinted in the Philippines by:Department of Education, Region VII, Division of Cebu ProvinceOffice Address:IPHO Bldg., Sudlon, Lahug, Cebu CityTelefax:(032) 255-6405E-mail Address:cebu.province@deped.gov.ph3

Introductory MessageFor the facilitator:Welcome to the Science 10 Alternative Delivery Mode (ADM) Module onEvidence of Plate Movement.This module was collaboratively designed, developed and reviewed byeducators both from public and private institutions to assist you, the teacher orfacilitator in helping the learners meet the standards set by the K to 12 Curriculumwhile overcoming their personal, social, and economic constraints in schooling.This learning resource hopes to engage the learners into guided andindependent learning activities at their own pace and time. Furthermore, this alsoaims to help learners acquire the needed 21st century skills while taking intoconsideration their needs and circumstances.In addition to the material in the main text, you will also see this box in thebody of the module:Notes to the TeacherThis contains helpful tips or strategiesthat will help you in guiding thelearners.As a facilitator, you are expected to orient the learners on how to use thismodule. You also need to keep track of the learners' progress while allowing them tomanage their own learning. Furthermore, you are expected to encourage and assistthe learners as they do the tasks included in the module.4

For the learner:Welcome to the Science 10 Alternative Delivery Mode (ADM) Module onEvidence of Plate Movement.This module was designed to provide you with fun and meaningfulopportunities for guided and independent learning at your own pace and time. Youwill be enabled to process the contents of the learning resource while being an activelearner.This module has the following parts and corresponding icons:This will give you an idea of the skillsor competencies you are expected tolearn in the module.What I Need to KnowThis part includes an activity that aimsto check what you already know aboutthe lesson. If you get all the answerscorrectly (100%), you may decide toskip this module.What I KnowThis is a brief drill or review to helpyou link the current lesson with theprevious one.What’s InIn this portion, the new lesson will beintroduced to you in various ways suchas a story, a song, a poem, a problemopener, an activity, or a situation.What’s NewThis section provides a briefdiscussion of the lesson. This aims tohelp you discover and understand newconcepts and skills.What is ItThis comprises activities forindependent practice to solidify yourunderstanding and skills of the topic.You may check the answers to theexercises using the Answer Key at theend of the module.What’s MoreThis includes questions or blanksentences/paragraphs to be filled toprocess what you learned from theWhat I Have Learned5

lesson.This section provides an activity thatwill help you transfer your newknowledge or skill into real-lifesituations or concerns.What I Can DoAssessmentThis is a task which aims to evaluateyour level of mastery in achieving thelearning competency.Additional ActivitiesIn this portion, another activity will begiven to you to enrich your knowledgeor skill of the lesson learned.This contains answers to all activitiesin the module.Answer KeyAt the end of this module you will also find:ReferencesThis is a list of all sources used indeveloping this module.The following are some reminders in using this module:1. Use the module with care. Do not put unnecessary mark/s on any part of themodule. Use a separate sheet of paper in answering the exercises.2. Do not forget to answer What I Know before moving on to the other activitiesincluded in the module.3. Read the instruction carefully before doing each task.4. Observe honesty and integrity in doing the tasks and checking your answers.5. Finish the task at hand before proceeding to the next.6. Return this module to your teacher/facilitator once you are through with it.If you encounter any difficulty in answering the tasks in this module, do nothesitate to consult your teacher or facilitator. Always bear in mind that you are notalone.We hope that through this material, you will experience meaningful learningand gain deep understanding of the relevant competencies. You can do it!6

What I Need to KnowUnit IModule 8(Week 8)Most Essential Learning CompetencyS10ES-Ia-j-36.6 enumerate the lines of evidencethat support plate movementTHE THEORY OF PLATE TECTONICSWhat this module is about What causes tectonic plates to move? The Plate Tectonic Theory providedan explanation about the movement of the lithospheric plates.The theory of plate tectonics states that the Earth's solid outer crust, thelithosphere, is separated into plates that move over the asthenosphere, the moltenupper portion of the mantle. Oceanic and continental plates come together, spreadapart, and interact at boundaries all over the planet.There is variety of evidence that supports the claims those platetectonics accounts for (1) the distribution of fossils on different continents, (2) theoccurrence of earthquakes, and (3) continental and ocean floor features includingmountains, volcanoes, faults, and trenches.Convection current is a process which involves the movement of energy fromone place to another. The convection currents tend to move a fluid or gas particlesfrom one place to another. These are created as a result of the differences occurringwithin the densities and temperature of a specific gas or a fluid.In this module, we will study thoroughly the framework that will enable us tounderstand how and why several features of the Earth continuously change. Thistheory is what we call “Plate Tectonics.” This describes and enumerates the lines ofevidence that support plate movement.ContentPlate Tectonic TheoryConvection Current7

In this module, you should be able to:1. Enumerate the lines of evidence that support plate movement.2. Explain what causes the tectonic plates to move.3. Give the importance of the creation of convection current underneath theearth.Here is a simple guide for you in going about the module:1. Read and follow instructions carefully.2. Read each lesson and do activities that are provided for you.3. Activities and/or exercises are given to deepen your understanding of theconcept and to develop your skills. Take time in doing this.4. Take note of important ideas and points for clarification.5. Do not forget to answer the assessment and see how much you have learned.What I KnowMultiple Choice. Choose the best answer.1. When a ship passes over seafloor that has a 'reverse' magnetic polarization,how does this effect the magnetic field reading?a. The magnetic field is directed east.b. The magnetic field is south.c. The strength of the magnetic field I slightly stronger than usual.d. The strength of the magnetic field is slightly weaker than usual.2. What is the character of magnetic anomalies on the seafloor?a. They occur in stripes that parallel mid-ocean ridges and are offset alongtransform faults.b. They occur in stripes that run perpendicular to mid-ocean ridges andparallel transform faults.c. They occur in stripes that run perpendicular to continental margins andparallel to transform faults.d. They occur stripes that parallel transform faults and end at mid-oceanridges.8

3. What theory did magnetic anomalies on the seafloor give rise to?a. Continental driftc. convection currentb. Plate Tectonicsd. Seafloor spreading4. What does plate tectonic theory predict about the distribution of volcanoesand earthquakes?a. They should be evenly distributed throughout the earth.b. They should occur primarily along plate boundaries.c. They should primarily in deep basins.d. They should only occur along continental margins.5. Convection within the causes the plates to move.a. Mantlec. Inner coreb. Oceand. Crust6. Which of the following diagrams bets illustrates the convection occurring in themantle?7. Which of these is NOT a correct explanation for how convection works?a. Hotter fluids rise above colder fluidsb. Less dense fluids rise above denser fluidsc. Colder fluids sink below hotter fluidsd. Less dense fluid sinks below denser fluids8. In which states (phases) of matter can convection happen?a. Solids, liquids and gasesc. Solids and gasesb. Liquids and gasesd. Liquids only9. occurs when heat is transferred into an object through motion ormovement; an example would be boiling water.a. conductionc. radiationb. convectiond. subduction10. Scientists think that convection currents flow in Earth’s .a. continentsc. lithosphereb. mantled. inner core9

What’s InLearning is fun!Plate Tectonic TheoryGeologists have hypothesized that the movement of tectonic plates isrelated to convection currents in the earth's mantle. Tremendous heat and pressurewithin the earth cause the hot magma to flow in convection currents.These currents cause the movement of the tectonic plates that make up the earth'scrust.The Plate Tectonic Theory provided an explanation about the movement ofthe lithospheric plates. This theory evolved from the two former theories and wasdeveloped during the first decades of the 20th century.The Earth’s lithosphere is divided into several plates. These plates ride overthe weak asthenosphere. There are three types of plate movements – separation oftwo plates (divergent), collision of two plates (convergent), and sliding past eachother (transform).What facilitates the movement of the plates?Heat is produced in the core that produces convection in the mantle. Thisconvection causes the plate to move around. Where convection currents divergenear the Earth’s crust, plates move apart. When convection currents converge,plates move towards each other. The movement of the plates, and the activity insidethe Earth, is called the theory of plate tectonics.Convection CurrentMantle convection drives plate tectonics. Hot material rises at mid-oceanridges and sinks at deep sea trenches, which keeps the plates moving along theEarth’s surface.Mantle convection is the very slow creeping motion of Earth's solidsilicate mantle caused by convection currents carrying heat from the interior to theplanet's surface. The Earth's surface lithosphere rides atop the asthenosphere andthe two form the components of the upper mantle.10

What’s NewPush me up and aside!Objectives Explain what causes the tectonic plates to move.Enumerate the factors that cause tectonic plates to move.Give the importance to the creation of convection current underneath theEarth.Materials DropperFood color1000 mL beaker ( in unavailability, container can be casserole, an emptycan )700 mL water (2 cups of water)3-5 small / light wood blocksAlcohol burner (lamp) & tripodProcedure1. Pour 700 mL water into the beaker / container.2. Place the beaker / container on an alcohol burner and heat it. Give ample timefor the water to heat up.Warning: For heating, use glassware/container that is meant to be used for thatpurpose. Wear heat resistant gloves to protect your hands. To avoid burns, do not handle heated glassware or materials directly. Usetongs, test-tube holders, or heat-resistant gloves or mitts. Do not pour hot liquids into plastic containers.11

3. Add few drops of food coloring to the water in the beaker.4. Looking from the side of the container / beaker, observe what happens in thewater.5. Put several light woods blocks in the center of the heated near to boilingwater.6. Illustrate you observations.Q1. How does the food coloring behave?Q2. What do you call this behavior?Q3. Enumerate the factors that cause the formation of a current.Q4. What happens to the blocks? What does this resemble?Q5. What is the importance of the convection current underneath theEarth?What is ItConvection currents are the result of differential heating. Lighter (lessdense), warm material rises while heavier (more dense) cool material sinks. It is thismovement that creates circulation patterns known as convection currents in theatmosphere, in water, and in the mantle of Earth.This flow, called mantle convection, is an important method of heattransport within the Earth. Mantle convection is the driving mechanism for platetectonics, which is the process ultimately responsible for producing earthquakes,mountain ranges, and volcanos on Earth.12

Source: www2.chilton.k12.wi.usConvection Current in the MantleRidge push is a process as an oceanic crust move away from a divergentboundary; it becomes denser than the newer oceanic crust. As the older seafloorsinks, the weight of the uplifted ridge pushes the oceanic crust toward the trench atthe subduction zone.en.wikipedia.org13

Slab pull is the other possible process involved in the tectonic platemovement. The weight of the sub ducting plate pulls the trailing slab into thesubduction zone.What’s MoreComplete the concept map below on continental drift, seafloor spreading and platetectonics.14

Convection ExamplesExplain how convection occurs on the following examples.15

Plate Tectonics diagramIdentify the major and minor tectonic plates on the map.16

What I Have LearnedNow that you understand what happens inside the Earth and its effects on theEarth’s surface, you should be able to realize that the tectonic activities at thesurface just like volcanic eruptions and earthquakes are inevitable.You should view the Earth as a dynamic planet and still the mostfascinating planet for it offers you a home that no other planet can.What I Can DoGive examples of Convection in Everyday Life.17

AssessmentMultiple Choice. Choose the best answer.1. Convection takes place only in liquids and .a. Gasesb. Energiesc. Solidsd. States2. Which of the following statements about convection is true?a. heat is transferred from hot material to cool material without inducing aflowb. cool material flows upward and displaces hot materialc. hot material flows upward and displaces cool materiald. random circulation occurs3. The lithospheric plates are believed to be moving slowly. What is the drivingforce that facilitates this movement?a. Gravitational force of the moonb. Magnetic force at the polesc. Convection current in the mantled. The force of the atmosphere4. Which of the following increases with distance from a mid-ocean ridge?a. the age of oceanic lithosphereb. the thickness of the lithospherec. the depth to the sea floord. all of the above5. Which of the following can you infer from the continuous movement of thelithospheric plates over the asthenosphere?a. All the continents will cease to exist.b. All the volcanoes in the Philippines will become inactive.c. The continents will not be located in the same place as they are now.d. The islands of the Philippines will become scattered all over the world.18

6. The cycle that powers the ocean currents, weather, and tectonic plates it is calleda. conduction currentb. radiationc. condition currentd. convection current7. What is Convection?a. Transfer of heat by the movement of currents within a fluidb. Transfer of heat from one particle to another without the movementof matterc. The transfer of energy by electromagnetic wavesd. A conductor8. Convection within the causes the plates to move.a. mantleb. oceanc. inner cored. crust9. In which states (phases) of matter can convection happen?a. solids, liquids and gasesb. liquids and gasesc. solids and gasesd. liquids only10. Which of the following can you infer from the continuous movement of thelithospheric plates over the asthenosphere?a.b.c.d.All the continents will cease to exist.All the volcanoes in the Philippines will become inactive.The continents will not be located in the same place as they are now.The islands of the Philippines will become scattered all over the world.19

Additional ActivitiesExpress yourself!Differentiate the terms: Radiation, Conduction, Convection through your ownexperience/s.20

21What I Know1. D2. A3. D4. B5. A6. A7. D8. B9. B10. BWhat’s NewPush me up and aside!Q1. The food color rises and moves to the sides of the beaker (pan/container) thensinks. It demonstrates a cyclic motion.Q2. This called convection current.Q3. The difference in density in the molecules is caused by the difference intemperature. The rate of heating at the bottom and the rate of cooling at the top. Amount of heat supplied to the substance.Q4. The blocks are pushed up to the middle of the boiling water and thenswayed towards the sides of the beaker. The small, light wood blocks resemble the lithospheric/tectonic plates thatmoved about slowly along the tectonic boundaries, pushing, sliding pastand drifting away from each other because of convection current.Q5. Convection currents in the magma drive plate tectonics. Heat generated fromthe radioactive decay of elements deep in the interior of the Earth createsmagma (molten rock) in the asthenosphere.Answer Key

CDCDBABCConvectioncurrentFromRocksdepositsPlate TectonicTheoryWhat I can do

ReferencesDepartment of Education-Instructional Materials Council Secretariat (DepEdIMCS). 2015. Science – Grade 10 Learner’s Material. Rex Book Store, Inc.Department of Education, Bureau of Secondary Education. Project EASEIntegrated Science I, Module 12: Inside the Earth.Department of Education,Bureau of Secondary Education (2013). ScienceGrade 9 Learner’s Module. Vibal Publishing House, Inc.Popular Science . II. Grolier Educational (Firm). 2004. Grolier International, Inc.Punongbayan, R. et. Al. (1998) . The Philippine Archipelago Volume I.Tarbuck. E.J. et. Al. (2009). Earth Science 12th ed. Pearson Education SouthAsia Pte Ltd.Yumul, Jr., Graciano P., Carla B. Dimalanta, Victor B. Maglambayan andEdanjarlo J. Marquez, Tectonic Setting of a Composite Terrane: A Reviewof the Philippine Island Arc System, 12 Geoscineces Journal 1, (March2008), pp. 7-17Robert Hall, Reconstructing Cenozoic SE Asia Earthlearningidea – What is a tectonic plate? ( This Dynamic Earth, USGS ). Accessed November21, 2017. vection Current – Google Search Accessed November 22, 2017.-End of Module-23

For inquiries or feedback, please write or call:Department of Education, Region VII, Division of Cebu ProvinceOffice Address: IPHO Bldg.,Sudlon, Lahug, Cebu CityTelefax: (032) 255-6405E-mail Address: cebu.province@deped.gov.ph24

convection causes the plate to move around. Where convection currents diverge near the Earth’s crust, plates move apart. When convection currents converge, plates move towards each other. The movement of the plates, and the activity inside the Earth, is called the theory of plate tectonics. Convection Cu

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