Soil Unit Review

Soil is not just made up of small pieces of rock. Soil also has nutrients that are important for plant growth and survival. Where do the nutrients in soil come from?

• dead plants and animals decaying into smaller pieces in soil

• rocks breaking down in soil

• wind and water softening dirt in soil

• frozen mud breaking down in soil

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NGSS.MS-LS2-3

NGSS.MS-LS2-1

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Soil can be made up of —

• weathered rocks and water only

• weathered rocks and decomposed plant material only

• weathered rocks and decomposed animal material only

• weathered rocks and decomposed plant and animal material

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NGSS.MS-LS2-3

A farmer is having a difficult time growing crops because there is not enough nutrients in the soil. What product should he add to increase the nutrients in the soil?

• product 1

• product 2

• product 3

• product 4

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NGSS.MS-LS2-1

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Students observed soil samples and recorded some of the physical properties in their data table below.

Which soils most likely contain decomposed plants and animals?

• Soil 1 and Soil 4

• Soil 2 and Soil 3

• Soil 3 and Soil 4

• Soil 4 and Soil 2

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NGSS.MS-LS2-3

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What are some properties of the soil pictured?

• black, holds perfect amount of water for growing plants, small particles with lots of nutriends

• red, holds water well, clumpy

• brown, small rocky particles, does not hold water well

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NGSS.MS-LS2-3

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What are some properties of the soil pictured?

• black, large particles, dry

• red, holds water well, clumpy

• brown, small rocky particles, does not hold water well

What are some properties of the soil pictured?

• black, large particles, dry

• red, holds water well, looks clumpy but is smooth when wet.

• brown, small rocky particles, does not hold water well

Soil is made of

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

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Which of the following is NOT a property of soil?

• Color

• Texture

• Where it's located

• Ability to retain water

Which type of soil can hold the greatest amount of water?

• sand
• silt
• clay
• loam