Weathering and Erosion Test Review

Weathering and Erosion Test Review

Poll

Weathering may take thousands of years to take place?

• yes

• no

Multiple Choice

what is mostl least likely to speed up chemical weathering?

• wind blowing over a field

• plants releasing oxygen into the air

• animals releasing carbon dioxide into the air

• power plants releasing sulfur dioxide into the air

Multiple Choice

which of the following could cause physical weathering?

• growing tree roots

• rain

• freezing and thawing ice

• all of the above

Multiple Choice

Which would chemically weather faster?

• a large stone statue

• marble gravel

• quartz gravel

Multiple Choice

what occurs when erosion takes place?

• Rocks are broken down into smaller pieces

• Rocks and soil are transported from one place to another.

• Soil is created

• Cracks will begin to form in rocks

Multiple Choice

Which allows erosion to take place?

• water

• trees

• wind

• water and wind

Multiple Select

A hill with a steep slope will erode slower than a piece of land without a hill

• True

• False

Open Ended

Sara lives on a hill. What could she do to reduce erosion around her house?

Sara lives on a hill. What could she do to reduce erosion around her house?

Sarah could add trees or other plants to her property. Vegetation decreases erosion by slowing the flow of water and by catching and preventing soil from flowing down the hill. She could also add other obstacles such as large stones or fences. These too will decrease erosion by slowing the flow of water and by catching and preventing soil from flowing down the hill

Multiple Choice

soil is composed of which of the following?

• gravel

• sand

• organic material

• all of the above

Poll

Particles that make up soil are all the same size

• True

• False

Multiple Choice

How does physical weathering contribute to soil formation?

• It breaks down dead remains of plants and animals into an organic component.

• It breaks large rock into small pieces.

• It transports soil material and helps it accumulate in certain places.

• It creates nutrients for plants and animals.

Multiple Choice

How can sieves be used to analyze soil?

• They break soil down into small particles

• They separate the organic part of soil from the inorganic parts.

• They separate soil by particle size

• They remove all the gravel from the soil