Plate Tectonics and Continental Drift

Internal processes continually build up the surface of the earth, while __________________ processes break it down.

• Atmospheric

• Hydrogeological

• External

• Volcanic

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NGSS.MS-ESS2-2

Earth's internal processes are driven primarily by what?

• Heat and convection currents

• Ocean currents

• Weathering and erosion

• Earthquakes and volcanoes

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NGSS.MS-ESS2-1

Who first developed the Theory of Plate Tectonics

• Alfred Einstein

• Carl Jung

• Thomas Edison

• Alfred Wegener

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NGSS.HS-ESS1-5

Why was the theory of plate tectonics initially rejected?

• It didn't explain how continents move

• It did not explain formation of islands

• It was based upon false statements

• There was no data to support the hypothesis

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NGSS.HS-ESS1-5

Present day fossils of similar organisms are found on different continents. This supports the theory of continental drift how?

• The environment of these organisms was once connected when continents were joined

• The organisms were avian and could live in a wide range

• The organisms often migrated

• The organisms had a large population that was widespread

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NGSS.MS-ESS2-3

Which of the following is evidence that mountain ranges on different continents were once connected?

• They have the same climate

• They are inhabited by similar wildlife

• They are the same age

• They have no trees beyond a certain height

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NGSS.MS-ESS2-3

Some fossils found on Antarctica required a tropical climate to live. How does this support the theory of continental drift?

• The climate at the poles of the earth is cold, meaning that Antarctica used to be closer to the equator.

• The climate at the poles of the earth was once warm

• The equator used to be at the poles of the earth

• The earth's orientation was once such that the poles of the earth were closer to the sun

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NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Glacial deposits are found in what areas, indicating a different climate at one time?

• Oceans

• Tundras

• Deserts

• Deciduous forests

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-6

At what rate do continents continue to move?

• About 7 feet a year

• About 2 centimeters per year

• They are not moving

• About 15 feet per year

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Why don't present day continents fit perfectly together?

• Weathering and erosion of coastlines

• They have been twisted by earthquakes

• Fossils

• Human actions have changed the shape of coastlines

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3