Chap 10 Review

Question 1

Mechanical weathering

Answer 1

The breakdown of rocks by physical means.

Question 2

Chemicals weathering

Answer 2

Is the chemicals breakdown of rocks into new substance.

Question 3

Acid precipitation

Answer 3

Acid precipitation contains more acid then normal precipitation and increases the speed of things like weathering.

Question 4

Oxidation

Answer 4

Oxidation is a chemicals reaction in which a element such as iron combined with oxygen to form oxides.

Question 5

Differential weathering

Answer 5

Differential weathering is a softer less weather resistant rock wears away leaving harder rock behind.

Question 6

Parent rock

Answer 6

Bedrock is a parent rock because the soil above it is formed from something called residual soil.

Question 7

Bedrock

Answer 7

The layer of rocks beneath soil.

Question 8

Soil

Answer 8

Soil is a lose mixture of small mineral fragments.

Question 9

Humus

Answer 9

Humus is the organic part of soil.

Question 10

Topsoil

Answer 10

Layer of soil with more humus than one below it.

Question 11

Soil conservation

Answer 11

Various methods humans take care of soil.

Question 12

Erosion

Answer 12

Process by which wind and water transport soil and sediments from one location to another.

Question 13

Weathering

Answer 13

Weathering is the breakdown of rocks into smaller and smaller pieces.