Rocks and Minerals

Front

What can happen to an igneous rock after it is formed?

Back

It can be transformed to metamorphic rock.

Front

Classify a rock formed directly from volcanic activity.

Back

Igneous rock.

Front

Which statement about rocks is FALSE?

• Sedimentary rock is formed from magma leaking to the surface of the earth.
• Metamorphic rocks are transformed by intense heat and pressure.
• The rock cycle describes the creation, alteration, and destruction of rocks made from magma.
• The rock cycle recycles matter used to make up rocks.

Back

Sedimentary rock is formed from magma leaking to the surface of the earth.

Front

Characteristics to look for in a rock's composition to identify it as sedimentary.

Back

Rock made from eroded material broken off other rocks and cemented together.

Front

On a school trip, Jenny learned about a gigantic volcanic eruption and saw some of the rocks it formed. Which kind of rocks did she see?

Back

Extrusive igneous

Front

Siltstone is a sedimentary rock formed from particles of weathered rock accumulating and becoming compact. Which category does this type of rock best fit into?

Back

Detrital sedimentary

Front

David is analyzing a rock revealed by erosion with large crystal structures visible through a magnifying glass. Which kind of rock is it?

Back

Granite

Front

When a parent rock is changed due to high pressure or temperature, which type of rock is formed?

Back

Metamorphic

Front

Key difference between detrital and chemical sedimentary rocks?

Back

Chemical sedimentary rock is formed from dissolved material.

Front

Mineral hardness is a measure of _____

Back

how resistant a mineral is to scratching