Rocks Review

How are igneous rocks classified?

• origin, texture and mineral composition

• origin, color and texture

• texture, color, and mineral composition

• by their grains

Where is magma found?

• inside Earth

• on the surface of the Earth

Where is lava found?

• inside Earth

• on the surface of the Earth

How do extrusive igneous rocks form?

• from lava that erupted onto Earth's surface

• from magma that hardened beneath Earth's surface

How do intrusive igneous rocks form?

• from lava that erupted onto Earth's surface

• from magma that hardened beneath Earth's surface

Rock made of layers of compressed sediments

• metamorphic rock
• igneous rock
• sedimentary rock
• school house rock

What are the three fossil fuels that form in sedimentary rock?

• solar, oil
• coal and oil
• coal, oil, natural gas

When sediments stick together its called . . . 

• cementation
• compaction
• deposition
• erosion

Putting pressure on sediments underground is called . . . 

• cementation
• compaction
• weathering
• erosion

The sediment has been dropped off in a pile. What process happened last?

• weathering
• compaction
• cementation
• deposition