California Science Test

Front

What is erosion?

Back

Erosion is the removal of soil nutrients by water, wind, or human activities.

Front

What are two causes of erosion?

Back

Continuous cropping and overgrazing are causes of erosion.

Front

What is an ecosystem?

Back

An ecosystem is a geographic area where plants, animals, and other organisms live.

Front

What is an annual crop?

Back

An annual crop is a type of crop that is planted and harvested within the same year.

Front

What is a disadvantage of a quality environment?

Back

Being colorful is not considered an advantage of a quality environment.

Front

What is deforestation?

Back

Deforestation is the clearing or thinning of forests by humans.

Front

What is overgrazing?

Back

Overgrazing occurs when animals graze on vegetation too much, preventing regrowth.

Front

What is the role of water in erosion?

Back

Water can carry away soil and nutrients, leading to erosion.

Front

What is wind erosion?

Back

Wind erosion is the process where strong winds blow away loose soil and sand.

Front

What is continuous cropping?

Back

Continuous cropping is the practice of growing the same crop on the same land year after year.