science unit test Flashcards by McKenna Smith

Q

if a rock melts, what does it become

A

magma

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Q

what rock forms when magma cools and solidifies

A

igneous rock

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Q

what rock forms from heat and pressure

A

metamorphic rock

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Q

what is weathering

A

breaking rock into smaller pieces

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Q

what is erosion

A

movement of sediments

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Q

what is deposition

A

sediments settle when energy drops

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Q

what is compaction

A

sediments squeezed by weight

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Q

what is cementation

A

minerals glue sediments together

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Q

clastic sedimentary are made of what

A

rock fragments

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Q

rock forms when minerals crystallize in water

A

chemical sedimentary

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Q

what rocks form from remains of living things

A

bioclastic

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Q

when does deposition occur

A

energy decreases

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Q

large clasts mean they have what energy level

A

high

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Q

clay sized particles indicate what energy

A

very low energy

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Q

rounded clasts indicate what about transport distance

A

traveled far

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Q

angular clasts indicate what

Study These Flashcards

A

short transport distance

Q

mineral layers formed by pressure

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A

foliation

Q

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A