Weathering and Soil

"The process of breaking rocks down into small pieces of rocks or fragments"

• Erosion

• Weathering

• Deposition

• Soil

"Weathering that changes the materials that are part of a rock into new materials"

• Mechanical Weathering

• Weathering

• Chemical Weathering

• All Weathering

"Weathering that includes physical processes that break rocks into smaller pieces"

• Mechanical Weathering

• Chemical Weathering

• All Weathering

• Weather

Which is an example of mechanical weathering (multiple answers)

• Tree roots breaking up a sidewalk

• Rust on a bicycle left outside

• Oxygen combining with other molecules

• Ice freezing and breaking up rock

What are the examples of chemical weathering? (multiple answers)

• Rust on a bicycle left outside

• Ice freezing and breaking up rock

• Oxygen combining with other molecules

• Tree roots breaking up a sidewalk

All objects experience weathering at the same rate.

• True

• False

Soil is composed of which of the following? (multiple answers)

• Rock

• Organic Matter

• Water

• Air

All living or once living matter is considered organic matter.

• True

• False

Which soil horizon is known as topsoil?

• O

• A

• B

• C

Which soil horizon is known as subsoil?

• O

• A

• B

• C