Rocks, Weathering, Erosion, & Soil

What happens to the rocks at location 4?

• Weathering & Erosion

• Heat & Pressure

• Melting

• Deposition, Compaction, and Cementation

What happens to the rocks at location 2?

• Weathering & Erosion

• Heat & Pressure

• Melting

• Deposition, Compaction, and Cementation

Which of the following best describes how intrusive igneous rocks are different from extrusive igneous rocks?

• Intrusive igneous rocks form under water and extrusive igneous rocks form on land

• Intrusive igneous rocks form on land and extrusive igneous rocks form under water

• Intrusive igneous rocks form underground and extrusive igneous rocks form above ground

• Intrusive igneous rocks form above ground and extrusive igneous rocks form underground

Which type of rock is formed by the cooling of magma and lava?

• Metamorphic

• Igneous

• Sedimentary

A sedimentary or igneous rock may undergo heat and pressure to become which type of rock?

• Metamorphic

• Igneous

• Sedimentary

Sediments press together over time to form this type of rock:

• Metamorphic

• Igneous

• Sedimentary

What is the difference between lava and magma?

• Magma is inside the Earth, it’s called lava after an eruption       

• There is no difference and either term can be used       

• One is blue, the other is white

• One is liquid, the other is a solid

How do glaciers help create soil?

• It scrapes small particles off large rocks.

• It melts and becomes part of streams and rivers.

• It carries plants down mountains and to oceans.

• It freezes small particles of dirt to form large rocks.

Which factor has the most influence on the development of soil?

• climate

• longitude

• amount of rounded sediment

• slope of landscape

What is the largest component of soil?

• air

• minerals

• water

• organic matter