Soil

Soil is made of

• weathered rocks and minerals

• dead plants and animals

• air and water

• all of the above

Which layer of soil are these roots growing in?

• subsoil

• topsoil

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following processes will most likely contribute to the development of soil?

• Volcanic eruptions that make new land

• Building up of snow in very cold areas

• Migration of animals to warmer climates

• Breaking down of rock by wind, water, and ice

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NGSS.MS-ESS2-2

Soil is composed of all of these natural materials EXCEPT

• weathered rock

• plant matter

• plastic substances

• animal remains

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NGSS.MS-LS2-3

The weathering of rocks into small pieces forms what natural resource?

• Minerals

• Water

• Coal

• Soil

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

How do plants contribute to the formation of soil? Plants

• cover the soil and shade it from sunlight.

• die, decompose and become part of the soil.

• use soil to grow and develop over time.

• support the animal life in the soil.

A student exploring the formation of soil put rocks in a plastic jar of water and shook it. Afterwards, there were small pieces of broken rock in the water. What process in the formation of soil does this model?

• Weathering of earth materials

• Decay of plant matter

• Formation of various minerals

• Mixing of water and air

Tags

NGSS.MS-ESS2-2

What is HUMUS made from?

• Chick-Peas

• The remains of decayed plants and animals

• Beans

• Cheese

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NGSS.MS-LS2-3

Are there minerals in soil?

• Yes

• No

Many plants cannot grow in sandy soil. Why is this true?

• Sandy soil does not hold enough water.

• Oxygen cannot pass through sandy soil.

• Roots cannot easily push through clay soil.

• Sandy soil has too many nutrients.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1