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Science 8-3 > 8-3-2 Rock Cycle > Flashcards

8-3-2 Rock Cycle Flashcards

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0
Q

What are three types of rocks?

A

Igneous, Sedimentary and Metamorphic.

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1
Q

What is the rock cycle?

A

Continuous changing of rocks from one kind to another.

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2
Q

What are the two kinds of Igneous rocks?

A

Intrusive and Extrusive

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3
Q

What is a intrusive igneous rock?

A

It’s magma that hardens

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4
Q

What is an extrusive igneous rock?

A

Lava that hardens

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5
Q

How do you classify the extraneous igneous rocks?

A

Textures and composition

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6
Q

How do you know the type of igneous rock? ( intrusive & extrusive )

A

How fast or slow the lava/magma cools

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7
Q

Describe intrusive igneous rock.

A

Cool slowly, large crystals, rough

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8
Q

Describe extraneous igneous rock.

A

Cools rapidly, small crystals, smooth

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9
Q

What are the kinds of extrusive rocks?

A

Obsidian and basalt

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10
Q

What rock is smooth, extrusive, has microscopic crystals, and has a glassy texture?

A

Obsidian rock

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11
Q

What rock is extrusive, and has small crystals?

A

Basalt

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12
Q

What is an example of an intrusive rock?

A

Granite

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13
Q

Describe granite.

A

Intrusive and has large crystals, near volcanoes.

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14
Q

When are sedimentary rocks formed?

A

When layers of sediment harden.

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15
Q

What affects sedimentary rock?

A

Pressure and weight of the sediment.

16
Q

Where do sedimentary rocks form?

A

Where rivers meet oceans

17
Q

What are the kinds of sedimentary rock?

A

Shale, sandstone, conglomerate and limestone

18
Q

What is shale made of?

A

Mud and clay

19
Q

What is sandstone made of?

A

Sand

20
Q

What is conglomerate made of?

A

Sand, pebble and rocks

21
Q

What is limestone made of?

A

Shells of dead animals

22
Q

What is a metamorphic rock?

A

Rocks changed due to high heat and great pressure. Formed deep in the earth.

23
Q

What are the kinds of metamorphic rock?

A

Quartzile, marble and slate

24
Q

Where does quartzile come from?

A

Sandstone

25
Q

Where does marble come from?

A

Limestone

26
Q

Where does slate come from?

A

Shale

Science 8-3 (2 decks)

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