Soil Erosion and Conservation

The protection of soil against erosion is called ____.

• Soil pollution

• Soil conservation

• weathering

• Soil ploughing

Tags

NGSS.4-ESS2-1

The process of water or wind carrying away top loose soil is called ____________

• Flowing away

• Blowing away

• erosion

• conservation

Tags

NGSS.4-ESS2-1

Soil conservation done on hill slopes _____________

• Ploughing

• terracing

• Erosion

• All of the above

Tags

NGSS.4-ESS2-1

NGSS.4-ESS3-2

What is weathering?

• the process of moving sediment from one place to another
• the breaking down of rocks on Earth's surface
• the remains of decayed plants and animals

Tags

NGSS.4-ESS2-1

What is humus?

• the bottom layer of soil
• the largest particle that makes up soil
• remains of decayed plants and animals in the soil

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The solid rock that forms Earth's surface is called...

• sediment.
• bedrock.
• clay.
• sand.

Tags

NGSS.MS-ESS1-4

Human activities that increase soil erosion include

• mining

• overgrazing by cattle

• afforestation

• Both mining and overgrazing by cattle

Tags

NGSS.4-ESS2-1

Soil is mostly conserved by _______

• afforestation

• deforestation

• making dams

• overgrazing

Tags

NGSS.MS-LS2-5

Which type of soil conservation strategy is being used in this picture?

• windbreakers

• contour farming

• planting of vegetation

• terrace farming

Tags

NGSS.4-ESS2-1

Which of the following is NOT be found in topsoil?

• humus
• minerals
• sediment
• bedrock