Ch. 10 Earth Science Quiz A

Rocks are naturally formed solid materials in the earth's crust that are usually combinations of minerals and other materials.

• True

• False

The look and feel of a rock is its texture.

• True

• False

The crystals and particles in a rock are called grains.

• True

• False

Rocks can be classified as igneous, sedimentary, or metamorphic

• True

• False

A rock is classified on the basis of how geologists believe it formed and later changed.

• True

• False

Petrologist can not use any of the mineral test on rocks.

• True

• False

Grains are the key to classifying rocks.

• True

• False

A rock that has changed due to heat or pressure is a __________ rock.

• igneous

• sedimentary

• metamorphic

• petrolithic

The law of conservation of matter implies that matter can not be created nor destroyed.

• True

• False

Rocks that formed when molten rock cooled and hardened are called _______.

• igneous

• Sedimentary

• metamorphic

• petrolithic