Science Rocks Flashcards by lauchlan h

Q

Rocks the are made when magma or lava cools

A

Igneous

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Q

What is melted rock in Earth

A

Magma

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Q

How does magma escape from Earth

A

Vents channels

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Q

What builds up the causes eruptions

A

Pressure

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Q

Materials from Earth that people use

A

Resources

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Q

What is magma outside of Earth

A

Lava

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Q

Magma slowly ??under the earth surface

A

Cools hardens

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Q

What type of rocks are around a volcanoes

A

Igneous

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Q

What is granite

A

Igneous

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Q

What did hunters use

A

Obsidian

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Q

Granite is from what

A

Magma

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Q

What a the H.I. made from

A

Basalt

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Q

What rock floats

A

Pumice

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Q

Scientists use what rock to study history

A

Sedimentary

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Q

What is made up of bits and pieces of rock put together

A

Sedimentary

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Q

What is it called when rocks get smushed together

A

Compaction

Q

What is the process of rocks be pushed together

A

Cementation

Q

What makes sediments

A

Wind water

Q

What changes sediments

A

Compaction cementation