Unit 3 Test Study Guide

Rocks can be made from all of these EXCEPT for...

• soils

• plastic

• minerals

• organic material

During the rock cycle, which process comes AFTER erosion?

• weathering

• heat & pressure

• deposition

• crystallization

What causes sedimentary rocks to change into metamorphic rock?

• heat & pressure

• weathering & erosion

• cooling

• melting

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What changes metamorphic rock into igneous rock?

• heat & pressure

• compaction & compression

• weathering & erosion

• melting & crystallization

Which statement BEST describes the rock cycle?

• Rocks can be moved from place to place on earth without changing.

• Rocks move in circles on earth as it rotates.

• Rocks are always changing, and any type of rock can be turned into another type of rock by natural processes.

• Sedimentary rocks may be remelted several times.

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Once the magma found at location E cools and crystallizes, it will...

• turn into lava

• form igneous rock

• sink back into Earth's deep interior

• form igneous, metamorphic, and sedimentary rocks

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This diagram shows one way rocks are formed. Which type of rock is formed by these processes?

• Igneous rock

• Metamorphic rock

• Sedimentary rock

• Crystal rock

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Which type of rock forms under high heat and pressure, but is not melted?

• Igneous

• Metamorphic

• Sedimentary

• Volcanic

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Granite is a hard material and forms from cooling magma. Which type of rock would granite be?

• Lava stone

• Metamorphic rock

• Sedimentary rock

• Igneous rock

A student looks at four unidentified rocks. She wrote a description of each rock under its picture. Which rock should the student classify as an igneous rock?

• Rock #1

• Rock #2

• Rock #3

• Rock #4