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Earth Structure

Test Description: Questions about the structure of the Earth as well as weathering, erosion, and deposition.

Instructions: Answer all questions to get your test result.

1) The process of breaking up big rocks into little rocks is called?

AWeathering BSediments CDeposition DErosion

2) Weathering breaks big rocks into smaller rocks called?

ASediments BErosion CDeposition DWeathering

3) Sediments are moved from one place to another by a process called?

AErosion BSediments CWeathering DDeposition

4) Sediments are dropped off in a process called?

ASediments BWeathering CDeposition DErosion

5) What is the least dense layer of the Earth?

AOuter Core BMantle CInner Core DCrust

6) What is the most dense layer of the Earth?

ACrust BOuter Core CInner Core DMantle

7) What are the layers of the Earth from most dense to least dense?

ACrust, Mantle, Outer Core, Inner Core BInner Core, Outer Core, Mantle, Crust CInner core, Mantle, Outer Core, Crust DCrust, Outer Core, Mantle, Inner Core

8) What are the layers of the Earth from least dense to most dense?

AInner Core, Outer Core, Mantle, Crust BInner core, Mantle, Outer Core, Crust CCrust, Mantle, Outer Core, Inner Core DCrust, Outer Core, Mantle, Inner Core

9) Why do tectonic plates float on the mantle?

ABecause the mantle is less dense than the tectonic plates. BBecause the mantle is more dense than the tectonic plates CBecause the mantle is hotter than the tectonic plates. DBecause the mantle is a liquid and the tectonic plates are a solid.

10) Why is the hydrosphere found between the atmosphere and the crust?

ABecause the hydrosphere can sometimes be a liquid. BBecause the hydrosphere can sometimes be a gas. CBecause the hydrosphere is less dense than the atmosphere and more dense than the crust. DBecause the hydrosphere is more dense than the atmosphere and less dense than the crust.

*select an answer for all questions

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