Chapter 8

What is small pieces of rock material?

• grain
• lava 
• magma
• sediment

What is molten or liquid rock material that is deep beneath the Earth's surface?

• grain
• lava
• magma
• rock

What is any type of particle in a rock?

• grain
• lava
• magma
• rock

What is a natural, solid mixture of minerals or grains?

• grain
• lava
• magma
• rock

What is molten rock that erupts onto or above the Earth’s surface?

• grain
• lava
• magma
• sediment

Geologists classify rocks based on how they form.

• True
• False

Igneous rocks form as the result of erosion, deposition, compaction, and cementation.

• True
• False

Sedimentary rocks can form when water evaporates and minerals crystallize.

• True
• False

Compaction takes place when existing rocks are changed by extreme temperature, pressure, or fluids.

• True
• False

Each rock type can follow only one pathway of the rock cycle.

• True
• False