The Rock Cycle: Engage and Explore

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​Earth's Rocks and Layers

Multiple Choice

Why do scientist classify rocks?

• rocks have different textures but they all form the same way

• rocks form differently, but they all have the same composition and texture

• rock classification is not necessary because rocks are all the same

• rocks form differently, have different compositions and textures

Reorder

Try and sort the events below into the correct order that would lead to the formation of a metamorphic rock (#5).​

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HINT: Begin with #1, “An igneous, sedimentary, or metamorphic rock is exposed to extreme heat.”​

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Place your response in the CHAT BOX. Use the numbers, you don’t need to type all the options out.

• An igneous, sedimentary, or metamorphic rock is exposed to extreme heat.

• High temperatures cause the rock to melt.

• Magma forms new igneous rock.

• New systems of heat or pressure work on the cooled rock.

• A metamorphic rock is formed.

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Open Ended

Choose either the process of uplift or subduction. Then describe at least ONE way in which the chosen process plays a role in the rock cycle.