Exploring Soil Composition and Formation

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Which of the following is NOT a component of soil?

Air (correct)

Organic matter

Mineral grains

Water

What is the main process by which soil is formed?

Decaying plant matter

Combination of wind and water erosion

Breaking down of rock material (correct)

Decaying animal matter

What causes rocks to break down into smaller pieces over time?

Moving water

Plants growing in cracks

Changes in temperature

All of the above (correct)

What determines the type of soil?

Size of tiny rock particles Signup and view all the answers

How long does it take for a small amount of soil to be formed?

Millions of years Signup and view all the answers

Moving water, wind, plants and changes in ______ can crack large rocks.

temperature Signup and view all the answers

Over a very long time, large rocks are broken into ______ pieces.

tiny Signup and view all the answers

Plants grow in the cracks in rocks causing the rocks to break apart into ______ pieces.

smaller Signup and view all the answers

These small pieces of rock become ______.

soil Signup and view all the answers

The type of soil is determined by the size of ______ rock.

tiny Signup and view all the answers

Exploring Soil Composition and Formation

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Questions and Answers

Which of the following is NOT a component of soil?

What is the main process by which soil is formed?

What causes rocks to break down into smaller pieces over time?

What determines the type of soil?

How long does it take for a small amount of soil to be formed?

Moving water, wind, plants and changes in ______ can crack large rocks.

Over a very long time, large rocks are broken into ______ pieces.

Plants grow in the cracks in rocks causing the rocks to break apart into ______ pieces.

These small pieces of rock become ______.

The type of soil is determined by the size of ______ rock.

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