Weathering, Erosion, Deposition

Front

How do plants most commonly break large rocks into smaller pieces?

Back

Plant roots grow into cracks in rocks.

Front

What is the purpose of using terraces on hillsides to grow plants?

Back

To retain soil and water.

Front

Which statement does NOT illustrate the effects of human activity in creating erosion problems?

Back

Terracing along a mountainside can lead to erosion

Front

Causes of the Dust Bowl due to HUMAN IMPACT: Over-tilling the land, Severe heat and drought for almost a decade, Overgrazing of farm animals, High winds in the area.

Back

Over-tilling the land, Overgrazing of farm animals

Front

Which soil conservation practice aims to keep nutrients in the soil? Options: no-tilling farming, crop rotation, contour plowing on hillsides, terracing hillside farms

Back

crop rotation

Front

Why is the rate of soil erosion higher in a field of crops planted in rows than in a field covered with grass?

Back

More soil is exposed to wind and water.

Front

Which soil type contains the most nutrients? Options: soil with large rock particles, soil that drains water quickly, soil with decomposed organic material, soil with bedrock close to surface.

Back

soil with a lot of decomposed organic material

Front

The layer in the soil profile that has the most humus is

Back

1

Front

Which statement best describes soil formation?

Back

the "parent rock" helps determine what type of soil forms

Front

Why does the canyon have a unique shape?

Back

The layers of the canyon are composed of different rocks and erode at different rates