Front

What is a sedimentary rock?

Back

A type of rock that forms from particles of sand, shells, pebbles, and other fragments of material that get pressed together.

Front

What is sandstone?

Back

A type of sedimentary rock that forms from ribbons of different sand.

Front

What is conglomerate?

Back

A type of sedimentary rock made of chunks of rock glued together by other rock.

Front

What is the rock cycle?

Back

The process by which rocks change from one type to another over time.

Front

What are the three main types of rocks?

Back

Sedimentary, igneous, and metamorphic.

Front

Where do sedimentary rocks usually form?

Back

Near places where sediment builds up, like riverbeds or ocean floors.

Front

What type of rock forms at plate boundaries?

Back

Igneous rock.

Front

How are rocks sorted?

Back

By how they are formed.

Front

What is igneous rock?

Back

A type of rock that forms from cooled and solidified magma or lava.

Front

What is metamorphic rock?

Back

A type of rock that forms when existing rocks are changed by heat, pressure, or chemical processes.