Erosion and Deposition — Unit test Answers

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Which process is defined as breaking down rocks into smaller pieces without changing the rocks' compositions?

erosion

oxidation

chemical weathering

mechanical weathering

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A mineral forms in water heated by magma inside Earth.Which statement best describes this mineral?

The mineral formed through evaporation.

The mineral crystallized from molten material.

The mineral formed when a hot water solution cooled.

The mineral likely has all the same properties as the surrounding rock.

Which process is responsible for changing the composition of rock?

erosion

abrasion

chemical weathering

mechanical weathering

Which describes sand?

fine-grained

retains water

water drains quickly

good for growing crops

Which phrase describes non-foliated rocks?

have grains in parallel layers

include quartzite and marble

tend to split along their bands

form from crystallized magma

An igneous rock has a coarse texture and is dark in color. How else can this rock be accurately described?

small crystals

cooled quickly

produced from magma

formed at Earth’s surface

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