science

test review

8 cards·by 22rwiegand

Most rocks are composed of what?

minerals

What are coal sandstone and pumice considered to be?

rocks

How are rocks classified?

By how the way they are formed.

What drives the rock cycle?

The sun and earths interior.

What rocks is formed by processes powered by the sun?

Sedimentary

How does intrusive igneous rocks for?

When magma hardens underneath earths surface.

What is rhyolite a example of?

A extrusive igneous rock.

How do extrusive igneous rocks form?

By cooling of lava.