Soil and Erosion

How could you make loam?

• By mixing clay, sand, and silt.

• by mixing sand, water, and dough

• by taking large pieces of rock out of the soil.

Which of the following does NOT break down rocks in smaller pieces?

• wind

• water

• ice

• light

What is humus made from?

• Water that is dirty

• decayed parts of leaves, insects, and animals.

• moving one rock to another area

Tags

NGSS.MS-LS2-3

What does weathering do to rocks?

• Carries soil from place to place

• Cause rocks to break down into smaller pieces

• Cleans rocks to make them pretty

Tags

NGSS.4-ESS2-1

The movement of rocks and soil from one place to another is called erosion.

• Weathering

• Erosion

Tags

NGSS.MS-ESS2-2

How does wind causes soil erosion?

• As the wind blows, it carries light particles of rocks and soil, transporting and depositing them into another place.

• As the wind blows, the particles of rock will be crushed.

• It doesn't cause soil erosion

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Erosion of rock fragments greatly contributes to soil formation as well as formation of landforms.

• True

• False

Tags

NGSS.MS-ESS2-2

What is not an agent of soil erosion?

• water

• wind

• animals

• humans

• plastic

How does water causes erosion?

• When soil is mixed to water, it dissolves

• As water flows, its force transports rocks and soil particles from one place to another.

• It doesn't contribute to erosion

Tags

NGSS.MS-ESS2-2

The speed of flowing water affects the rate of erosion, too. The faster the water flows, the faster and the farther the erosion would be.

• True

• Flase

Tags

NGSS.MS-ESS2-2