Science Soils

The protection of soil against erosion is called ____.

• Soil pollution

• Soil conservation

• weathering

• Soil ploughing

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

• Flowing away

• Blowing away

• erosion

• conservation

Tags

NGSS.MS-ESS2-2

Soil conservation done on hill slopes _____________

• Ploughing

• terracing

• Erosion

• All of the above

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

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-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.MS-ESS3-4

Human activities that increase soil erosion include

• mining

• overgrazing by cattle

• afforestation

• Both mining and overgrazing by cattle

Tags

NGSS.MS-ESS3-4

A wall or fence of earth or stone built to prevent a river flooding an area is known as

• barrier

• step farming

• Dam

• Embankment

Tags

NGSS.MS-ETS1-1

Soil is mostly conserved by _______

• afforestation

• deforestation

• making dams

• overgrazing

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5