Social Studies 7th grade

Choose the correct meaning of soil.

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What do you understand when you read the word Erosion?

• Erosion means water makes the trees grow big.

• Erosion is when the sun makes the land dry and hot.

• Erosion is when natural forces move rocks from one place to another

• Erosion happens when animals dig holes in the ground.

Choose the correct meaning of deposition

• Deposition is when it rains a lot and floods happen.

• Deposition is when people plant new trees in the forest.

• Deposition is when the sun melts the snow on mountains.

• Deposition is when natural forces drop rocks in a new location.

Weathering means when big rocks break into small pieces

• TRUE

• FALSE

What is this?

• Landscape

• Wind

• Soil

• Mountains

Choose two correct answers:
Why does desertification happen?

• Wild animals

• Loss of plants

• To much water

• Using land too much

How can you help stop desertification? Choose two options

• Cut down more trees to make space

• Use land carefully

• Use more water to wash cars

• Protect the soil

What is desertification?

• Desertification is when forests grow bigger and cover more land.

• Desertification is when good land turns into desert.

• Desertification is when heavy rain makes rivers overflow.

• Desertification is when ice turns into water.

Why soil is importance?

• Soil is important because it helps the air to be cold.

• Soil is important because it makes the sky blue.

• Soil is important because it helps birds fly faster.

• Soil is important because is necessary for plants, animals and microorganisms.

Choose the picture that shows "Drop"

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