Weathering and Erosion

The process that takes place as rocks are broken down into smaller pieces is called _____

• erosion
• weathering
• climate
• hammering

The process of breaking big rocks into little ones through wind is called _____

• erosion
• mechanical weathering
• chemical weathering
• hammering

Frost, ice, running water or heat from the sun can all cause _____

• erosion
• mechanical weathering
• chemical weathering
• hammering

Which process involves changes in the surface of the rock that make it change color?

• erosion
• mechanical weathering
• chemical weathering
• hammering

Things like carbon dioxide, oxygen, and acids can all cause _____

• erosion
• mechanical weathering
• chemical weathering
• hammering

When rocks have been broken down and are later moved by wind, water, or ice, that's called _____

• erosion
• mechanical weathering
• chemical weathering
• hammering

What happens to a rock when it weathers?

• It settles out of water that is carrying it.
• It creates a valley.
• It forms a delta.
• It breaks into small pieces.

Abrasion causes

• physical weathering.
• chemical weathering.
• both chemical and physical weathering.
• Neither chemical or physical weathering.

Acid rain causes

• physical weathering.
• chemical weathering.
• both chemical and physical weathering.
• neither chemical or physical weathering.

Freezing causes

• physical weathering.
• chemical weathering.
• both chemical and physical weathering.
• neither chemical or physical weathering.