concepts

Question 1

weathering

Answer 1

breaking down of rocks into smaller pieces.

Question 2

exfoliation

Answer 2

the breakup of rocks by peeling off layers of sheets.

Question 3

granular disintegration

Answer 3

the breaking off rocks grain by grain.

Question 4

frost shattering

Answer 4

freezing and expanding of water causes the rocks to shatter and break up.

Question 5

hydration

Answer 5

minerals in the rock absorb water, expand and break up.

Question 6

oxidation

Answer 6

it is when oxygen mixes with minerals to form oxides. Rust is an example of iron oxide.

Question 7

solution

Answer 7

mineral s in the rock dissolves directly in the water.

Question 8

carbonation

Answer 8

carbon dioxide combines with rainwater to form carbonic acid which breaks down the rocks.

Question 9

burrowing animals

Answer 9

animals such as moles, earthworms, and rabbits break up the soil into smaller pieces.

Question 10

decomposing

Answer 10

plant material makes rainwater more acidic. The acid reacts with chemicals in the rocks to break up.

Question 11

physical weathering

Answer 11

the breaking down of rust due to extreme temperature and pressure within the rocks.

Question 12

chemical weathering

Answer 12

breaking down off rocks into smaller pieces due to t the effect of chemicals.

Question 13

biological weathering

Answer 13

living organisms contribute to the breakdown of rocks.

Question 14

erosion

Answer 14

the removal of weathering material by wind, water, or ice.

Question 15

deposition

Answer 15

it is layering down of weathered material

Question 16

transportation

Answer 16

it is the carrying process of material by agents