Chapter 7 Vocab - Weathering, Erosion, And Soil

Question 1

“Process” where minerals on or near the surface break down and change.

Answer 1

Weathering

Question 2

Rocks and minerals break down into smaller pieces.

Answer 2

Mechanical Weathering

Question 3

Process that occurs when water repeatedly freezes and thaws in the cracks of rocks.

Answer 3

Ice wedging

Question 4

Process in which outer rock layers are stripped away.

Answer 4

Exfoliation

Question 5

How rocks and minerals undergo changes in their composition.

Answer 5

Chemical weathering

Question 6

The chemical reaction of oxygen with other substances.

Answer 6

Oxidation

Question 7

The removal of weathered rock and soil from its original location.

Answer 7

Erosion

Question 8

Occurs when eroded minerals are dropped in another location.

Answer 8

Disposition

Question 9

Erosion in which water running down the side of a slope carved a small stream channel.

Answer 9

Rill erosion

Question 10

Erosion that occurs when a roll channel widens and deepens.

Answer 10

Gully erosion

Question 11

Loose covering of weathered rock and decayed organic matter “HUMUS”

Answer 11

Soil

Question 12

A soil whose parent material is local bedrock

Answer 12

Residential soil

Question 13

Soil that develops from parent material that has been moved far away from its original location.

Answer 13

Transported soil

Question 14

A vertical sequence of soil layers

Answer 14

Soil profile

Question 15

A distinct layer within a soil profile

Answer 15

Soil horizon