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Unit 9 Review

Test Description: Earth's Layers

Instructions: Answer all questions to get your test result.

1) Which layer of the Earth is composed of liquid metal?

ACrust BMantle COuter Core DInner Core

2) Which statement lists the layers in the correct order from the center of Earth to the outermost layer of Earth?

AOuter Core, Inner Core, Mantle, Crust BInner Core, Outer Core, Mantle, Crust CInner Core, Outer Core, Crust, Mantle DOuter Core, Inner Core, Crust, Mantle

3) Some students use an apple to represent the Earth. What is the best reason to use an apple for this comparison?

AThe skin of an apple is very thin, and the crust of the Earth is very thin. BThe seeds of the apple are very light in comparison to the rest of the apple, and the core of the Earth is also made of very CThe stem of the apple comes from the core and the North Pole comes from the Earth’s core. DThe flesh of an apple is made of the same material all the way through, and the interior of the Earth is the same all the way

4) The Earth is made of many layers. Which layer is made up of part crust and part mantle material?

ALithosphere BAsthenosphere CInner core DOuter core

5) A student made lemon drop candy by melting sugar, water, and lemon flavoring in a sauce pan, poured the clear yellow mixture onto a baking sheet until it was cool. The process of making lemon drop candy is most like the formation of what type of rock

AIgneous BConglomerate CSedimentary DMetamorphic

6) The process of making peanut butter bars (with a layer of crushed graham crackers, PB mixture, and crushed peanuts) is most like the formation of what type of rock?

AIgneous BMagma CMetamorphic DSedimentary

7) Metamorphic rock turns into magma by heating and melting; magma turns into igneous rock by

APressure and cementation BCooling and hardening CWeathering and erosion DHeating and melting

8) Which process best describes the formation of a sedimentary rock?

ASolid rock is weathered, deposited, compacted, and cemented BRock is exposed to extreme heat and pressure deep in the Earth CMagma cools and solidifies beneath the Earth’s surface DLava erupts from a volcano and flows down a mountain

9) The rock cycle is a continual process by which rocks can be changed into different types of rock. What type of rock experiences compaction and cementation?

ASedimentary rock experiences compaction and cementation. BIgneous rock experiences compaction and cementation. CMetamorphic rock experiences compaction and cementation. DMetamorphic and igneous rock experience compaction and cementation.

10) Long periods of extreme heat and pressure result in the formation of —

Aigneous rock Bmetamorphic rock Csedimentary rock Dfossilized rock

*select an answer for all questions

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