Instructions: Type your name. Choose the correct word for each definition.
Click "Submit" to see your mark.
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rock formed by cooling and solidifying of magma
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rock that has been changed by extreme heat and
pressure over time.
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rock formed from sediments that are compacted
(=pressed) and cemented together.
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the physical (freezing and thawing), chemical
(reactions with water or chemicals in rain) or biological (ex. roots)
breaking down of rocks
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carrying away of tiny rock particles and soil by wind,
water, ice or gravity.
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a mixture of broken pieces of large rocks, minerals,
and the remains of living things that settle on the bottom of rivers, lakes
and oceans
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molten (=melted) rock beneath the surface of the earth
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magma that flows on the earth's surface in a volcanic
eruption
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The movement of solid "plates" that make up the crust
of the earth.
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one of many thousands of compounds or elements that
make up rocks.
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living or from living things
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non-living; not formed by living things
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igneous rock that cools and hardens inside the
earth’s crust
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igneous rock that cools and hardens outside the earth’s
crust