Earth Science Quiz

The appearance of light reflected from a mineral's surface.

• cleavage

• fracture

• luster

• mineral

• streak

Any break or rupture in rock along which no appreciable movement has taken place.

• cleavage

• fracture

• luster

• mineral

• streak

The color of a mineral in powdered form.

• cleavage

• fracture

• luster

• mineral

• streak

The tendency of a mineral to break along planes of weak bonding.

• cleavage

• fracture

• luster

• mineral

• streak

A naturally occurring, crystalline material with a unique chemical composition.

• cleavage

• fracture

• luster

• mineral

• streak

Energy that can be extracted from Earth’s internal heat.

• fossil fuel

• geothermal energy

• global warming

• hydroelectric power

• renewable resource

A resource that is virtually inexhaustible or that can be replenished over a relatively short time span.

• geothermal energy

• fossil fuel

• global warming

• renewable resource

Increase in average temperatures in the atmosphere, along with climate changes that have resulted from it, due in part to the increased carbon dioxide levels.

• fossil fuel

• geothermal energy

• global warming

• hydroelectric power

A carbon-containing fuel that formed over millions of years from the remains of living things.

• fossil fuel

• geothermal energy

• global warming

• hydroelectric power

The power generated by falling water.

• fossil fuel

• geothermal energy

• global warming

• hydroelectric power