Plate Tectonics

This is an idea that all continents were once joined together.

• Continental Drift

• Pangea

• Plates of the Earth

• Convection Currents

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All are proofs that plates were together millions of years ago EXCEPT :

• Fossils

• Similar landforms on each continent.

• Rocks

• Continental Drift

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Who proposed the idea of Continental Drift Theory?

• Alfred Einstein

• Alfred Wegener

• Benjamin Franklin

• Madame Curie

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What was the name given to the super huge continent?

• Super Continent

• Pole to Pole

• Pangea

• Eurasia

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NGSS.MS-ESS2-3

Earth’s rocky crust is ______ and ________ on the asthenosphere.

• moving and floating

• bouncing and dancing

• skipping and boiling

• colliding and slicing

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NGSS.MS-ESS2-1

__________ in the mantle of earth create the movement of plates.

• Movement

• Collision

• Convection Currents

• Divergent movement

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The 2 types of crusts are :

• Oceanic and continental

• divergent and convergent

• slip and slide

• collide and slide

The theory of plate tectonics explains

• how continents have changed position over time.

• how the continents moved together

• why the inner core is solid

• why the mantle is composed of different minerals

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NGSS.MS-ESS2-3

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The Continental and Oceanic crust of the Lithosphere _____ and move around very slowly on the Asthenosphere due to the Convection Currents (uneven heating in the Mantle)

• bounce

• skip

• slide

• float

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NGSS.MS-ESS2-3

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Which type of crust is the densest?

• oceanic crust

• continental crust

• divergent crust

• transform crust