Soil Formation Quiz

Select 3 choices: What is soil made up of?

• Weathering of rocks

• Humus

• Decomposition of dead plants and animals

• seashells

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NGSS.MS-LS2-3

Weathering is the breakdown of -

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select 3 choices: How can rock be weathered down?

• Water

• fire

• Ice

• Wind

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NGSS.MS-ESS2-4

How is soil formation caused by weathering? Choose two correct answers.

• Ice can form in cracks and break rocks apart. 

• Rocks are broken down over time by birds.

• Water running over rocks breaks the rocks down over time.

• Nutrients grow and break down the rocks.

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

How do the roots of a growing plant help form soil?

• 
  They take up water.

• They make pieces of soil.

• They break apart rocks as they grow.

• They attract animals that make soil.

How do dead plants and animals become part of the soil?

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NGSS.MS-LS2-3

Which photo shows decomposition? Pick the correct answer.

• 
• 
• 

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NGSS.MS-LS2-3

How long does it take a field of rocks to change into soil? Explain why.

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

After plants have become decomposed what is formed?

• Rock

• Humus

• Sand

• Clay

Which is NOT a type of soil?

• Clay

• Mud

• Sand

• Top soil