Rocks Flashcards

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1
Q

Rock

A

A solid made up of many different minerals.

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2
Q

Sedimentary rock.

A

Rocks that have been formed through the deposition of and solidification of sediment.

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3
Q

Igneous rock.

A

Formed by a volcano or the solidification of molten rock.

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4
Q

metamorphic rock.

A

Formed by extreme heat or pressure that changes the structure of the rock.

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5
Q

Rock cycle.

A

The process in which rocks are continuously transformed between the 3 rock types.

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6
Q

sediment.

A

Mineral or organic matter carried and deposited by water or wind that may consolidate into rock.

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7
Q

weathering

A

to age or change rocks as a result of being exposed to the elements: wind, ice, water, and extreme pressure.

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8
Q

erosion

A

The movement of small pieces of rock or sediment due to wind, water, gravity, and other natural forces.

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9
Q

deposition

A

When sediments are deposited or dropped off in a different location.

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10
Q

Cementation

A

The hardening and sticking of mineral grains.

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11
Q

molten

A

liquefied by heat.

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12
Q

magma

A

A hot, molten rock below the Earth’s surface

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13
Q

lava

A

molten rock that erupts from a volcano; the solid rock that from when molten cools above the Earth’s surface

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