Unit Test — Unit test Answers

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This image shows a model of the rock cycle.

compacting of sediments on the mountain

cooling as the lava runs down the mountain

weathering of the mountain from the environment

eroding of different rocks at the base of the mountain

Which phrase describes an extrusive rock?

fine texture

cooled slowly

found deep underground

different, easily observed minerals

Study the image of this rock.

It has many layers.

It is coarse-grained.

Its grain shape is round.

Its texture is non-banded.

Which type of rock is a foliated metamorphic rock?

granite

marble

quartzite

slate

Which phrase describes a feature of igneous rocks that cool quickly during formation?

small crystals

coarse surfaces

found beneath Earth’s surface

exposed after erosion occurs

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