Rocks and the Rock Cycle

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Sandstone is a sedimentary rock. Which two processes cause sand particles to form sandstone?

compaction and cementation

This image shows a model of the rock cycle. At point R, rocks melt underground to form magma. Which is another process that contributes to the formation of rock at point R?

cooling as the lava runs down the mountain

Granite rock is light in color. Which feature directly contributes to this color?

the amount of silica minerals in granite

Which statement describes the relationship between minerals and rocks?

Aggregates of minerals form rocks.

What happens when magma cools during the rock cycle?

Igneous rock is formed.

Study the image of this rock. Which characteristic best supports its formation from sedimentary processes?

It has many layers.

Study this image. Which statement best describes the rock shown?

This rock has a non-banded pattern.

Valerie creates a model using three different rocks. The rocks are classified as igneous, metamorphic, and sedimentary. Which property does Valerie use for classification purposes?

formation

Florian discovers a rock that is broken into pieces. Each piece has several bands. Which type of rock does Florian predict these pieces will change into when subjected to heat and pressure?

metamorphic

Which correctly lists three features of a rock's grains that determine its texture?

shape, pattern, size


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