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Chemistry Revision Y8 > Rocks > Flashcards

Rocks Flashcards

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1
Q

A rock formed when molten rock cools and solidifies

A

Igneous rocks

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2
Q

A rock formed from other types of rocks

A

Metamorphic rocks

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3
Q

A rock formed by weathering (from sediment going under the sea)

A

Sedimentary rocks

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4
Q

What is an extrusive igneous rock ?

A

A rock that forms above ground

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5
Q

What is an intrusive igneous rock ?

A

A rock that forms underground

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6
Q

How do the rocks change when forming a metamorphic rock ?

A

They change physically/chemically and DONT Melt

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7
Q

An example of a sedimentary rock ?

A

sandstone, limestone, and shale

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8
Q

An example of metamorphic rock ?

A

gneiss, quartzite, marble

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9
Q

Example of igneous rocks ?

A

granite, gabbro, diabase

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10
Q

Why do intrusive igneous rocks have larger crystals than extrusive igneous rocks ?

A

Because intrusive igneous rocks are surrounded by a lot of heat

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Chemistry Revision Y8 (2 decks)

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