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Flashcards in Chap 10 Review Deck (13)
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1

Mechanical weathering

The breakdown of rocks by physical means.

2

Chemicals weathering

Is the chemicals breakdown of rocks into new substance.

3

Acid precipitation

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

4

Oxidation

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

5

Differential weathering

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

6

Parent rock

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

7

Bedrock

The layer of rocks beneath soil.

8

Soil

Soil is a lose mixture of small mineral fragments.

9

Humus

Humus is the organic part of soil.

10

Topsoil

Layer of soil with more humus than one below it.

11

Soil conservation

Various methods humans take care of soil.

12

Erosion

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

13

Weathering

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