Geo Science Chapter 3 Rocks

Which of the following is true about rocks?

• Rocks are composed of only one mineral.

• Rocks do not contain any nonmineral matter.

• Coal is not considered a true rock.

• Most rocks are a mixture of minerals.

What is a naturally occurring, solid mass of mineral or mineral-like matter?

• a rock

• a mineral

• lava

• a fossil

Which of the following is NOT considered to be a rock?

• coal

• sandstone

• pumice

• lava

Which of the following is NOT one of the three types of rock?

• Igneous

• Magma

• Sedimentary

• Metamorphic

The three groups of rocks are classified by ____.

• color

• grain size

• chemical composition

• how they formed

In Figure 3-1, what type of rock should occur in the part of the rock cycle labeled B?

• Igneous

• Metamorphic

• Lava

• Sedimentary

In Figure 3-1, what process or processes would be occurring in the part of the rock cycle labeled E?

• cooling

• melting

• compaction and cementation

• weathering and erosion

In Figure 3-1, what type of rock should occur in the part of the rock cycle labeled F?

• Igneous

• Metamorphic

• Lava

• Sedimentary

If granite undergoes high temperatures and high pressures at depth within Earth, what type of rock will be formed? Assume that the granite does not melt.

• a sedimentary rock

• a metamorphic rock

• magma

• an igneous rock

All of the energy that drives Earth’s rock cycle comes from ____.

• the wind

• Earth’s interior and the sun

• the breakdown of organic matter

• the movement of water over Earth’s surface