Soil Introduction/ WED Review

The very top layer of soil is mostly made of

• Solid rock

• Clay and mineral deposits

• A mixture of minerals and organic material

• Mostly organic material (humus)

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NGSS.MS-LS2-3

Which layer of soil is on the bottom?

• topsoil
• subsoil
• bedrock
• bottomsoil

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NGSS.MS-ESS2-1

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

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NGSS.MS-ESS2-1

Why is soil an important natural resource?

• soil is used to make buildings
• soil can grow crops
• soil comes from bedrock
• soil is full of mircobes

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NGSS.5-ESS3-1

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The way soil feels is called its _____.

• type
• texture
• particle
• grain size

soil is important for

• agriculture

• food

• plants

• All of the above

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NGSS.MS-LS2-3

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Which of the following best describes soil erosion?

• A.  the breakdown of soil 
• A.  the improvement of soil
• A.  the addition of soil
• A.  the movement of soil by wind or water

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NGSS.4-ESS2-1

Where does most of the water go when it rains?

• in the ocean
• in the rivers
• in the gutters
• it absorbs into the soil

Tags

NGSS.MS-ESS2-1

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The breaking down of rocks into smaller pieces.

• erosion
• weathering
• sediment
• sand

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Which is NOT a layer of soil?

• bedrock
• topsoil
• undersoil
• subsoil