3.5 6th

Rocks are hard materials that make up the earth's crust.

Rocks can be classified as...

Rocks are a mixture of minerals.

What type of rock forms when molten rock solidifies?

Which of the following is an example of intrusive rocks?

Which well known igneous rock contains quartz, feldspar, and mica?

Magma is called (a)   once it flows from the volcano.

Igneous rock that is formed at the earth's surface is called ___________ igneous rock.

(a)   rocks have a coarse-grained appearance because they are formed by slowly cooling magma.

Pumice is the most common igneous rock and can be found almost everywhere on land.