Weathering

Abrasion

Abrasion causes weathering because friction.

Acid Rain

Acid Rain has a pH of 4.5 or less and causes more chemical weathering than normal rain.

Animals

Animals causes weathering because they burrow and dig.

Chemical Weathering

Chemical makeup of rock changes forever.

Ice Wedging

Ice Wedging causes weathering because water gets in the crack, freezes and expands.

Intense Temperature

Intense Temperature causes weathering because heat expands.

Mechanical Weathering

Mechanical Weathering breaks down rock into sediment, but chemical makeup does not change.

Normal Rain

Normal Rain has a pH of about 5.6 and can cause weak acid.

Oxidation

Oxidation is the process that combines water and oxygen which forms rust.

Plants

Plants causes weathering because their roots.

Weathering

Weathering is the breaking down of rocks or materials.