ROCKS SAMPLE QUICK

Which type of rock is formed from the solidification of magma or lava?

• igneous

• sedimentary

• metamorphic

• bioclastic

Where is magma located?

• above ground

• below ground

• in the stratosphere

• in the thermosphere

Where is lava located?

• above ground

• below ground

• in the core

• in the mantle

Describe the texture of the following igneous rock.

• smooth

• coarse

• vesicular

• glassy

Describe the texture of the following igneous rock.

• glassy

• rough

• vesicular

• coarse

Describe the environment of formation for the following igneous rock (grain size > 10 mm).

• intrusive

• extrusive

Which term best describes igneous rocks?

• light and easily broken
• soft and smooth
• hard and dense
• soft and dense

Extrusive rock forms beneath Earth's surface.

• true
• false

Intrusive rock

• igneous rock formed from lava that erupted onto Earth's surface

• igneous rock formed when magma hardened beneath the surface of Earth

Extrusive rock

• igneous rock formed from lava that erupted onto Earth's surface

• igneous rock that formed when magma hardened beneath the surface of Earth