Formation of Soil

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

• Minerals

• Water

• Coal

• Soil

Tags

NGSS.MS-ESS2-2

How would the soil be different in an area that gets very little rainfall? The would contain-

• much smaller pieces of rock.

• many insects and worms.

• a greater variety of plants.

• less water and organic matter.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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 made a mixture of sand, tiny rocks, small twigs, and some leaves. This student has modeled-

• how rocks change over time.

• the life cycles of plants.

• the formation of soil.

• how landforms are created.

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-ESS2-1