Earth History: Select Parts of a Topographic Map

Formed by cooling & solidification of magma inside the Earth.

• Sedimentary

• Metamorphic

• Extrusive Igneous

• Intrusive Igneous

When a rock gets subducted, the heat and pressure create ____________ rock.

• igneous

• sedimentary

• metamorphic

• any type of

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Scientists found rocks that are crumbly and have different layers of small pieces of rock. What type of rock would this most likely be?

• sedimentary

• igneous

• metamorphic

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Formed by heat and pressure

• Sedimentary

• Metamorphic

• Extrusive Igneous

• Intrusive Igneous

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Molten rock that erupts on Earth's surface

• deposit

• lava

• magma

• mineral

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Scientists who study Earth, use many sophisticated tools and models to study the rocks that make up the Earth.

• Archeologist

• Meteorologist

• Seismologist

• Geologist

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Rocks formed through heat and pressure

• Igneous

• Metamorphic

• Sedimentary

Answer explanation

Metamorphic rocks are formed when existing rocks undergo heat and pressure, altering their structure and composition. In contrast, igneous rocks form from cooled magma, and sedimentary rocks are created from sediment accumulation.

You have 2 rocks formed at the same time. One rock was formed from small pieces of rock and the other was formed from liquid rock in a different place. Would these rocks be the same or different types of rock? Why?

• the same type because they are both formed from rock material.

• the same type because they formed at the same time

• different types because they formed in different ways

• different types because they formed in different places

Answer explanation

The rocks are different types because they formed in different ways. One rock formed from small pieces (sedimentary), while the other formed from liquid rock (igneous). Their formation processes classify them into distinct rock types.

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Rocks __________________.

• can be formed in different ways

• are all formed the same way

Answer explanation

Rocks can be formed in different ways, such as through cooling and solidification of magma, compression of sediments, or alteration of existing rocks. This diversity in formation processes supports the correct choice.

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