Physical and Chemical Weathering

Question 1

Processes that change the characteristics of rocks on Earth’s surface.

Answer 1

Physical and Chemical Weathering

Question 2

More area of the surface is exposed…

Answer 2

The faster the weathering process will occur.

Question 3

Smaller particles experience ___________ weathering.

Answer 3

Greater

Question 4

The harder the material is…

Answer 4

The more resistant it is to weathering.

Question 5

Results to the same, but smaller component of the weathered material.

Answer 5

Physical Weathering

Question 6

Mostly sand-sized sediments and larger grains produced from Physical Weathering ranging in size from fine silts and clay to large boulders and gravel.

Answer 6

Lithic Clasts

Question 7

Breakup of rock due to seeping in water through the cracks of a rock. Freezing and Thawing.

Answer 7

Frost Wedging

Question 8

Peeling away of large sheets of loosened material at a surface of a rock

Answer 8

Exfoliation

Question 9

Rocks worn down by friction.

Answer 9

Abrasion

Question 10

Weathering by plants where root hairs size out small cracks and pits in rocks.

Answer 10

Biological Activity

Question 11

Oxygen reacts chemically with minerals. Eg. Rusting

Answer 11

Oxidation

Question 12

Water reacts chemically with minerals through absorption.

Answer 12

Hydration

Question 13

Carbon Dioxide outside reacts chemically with minerals.

Answer 13

Carbonation