GRADE 5 - SOIL EROSION AND CONSERVATION

Front

The protection of soil against erosion is called ____.

Back

Soil conservation

Front

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

Back

erosion

Front

Soil conservation done on hill slopes

Back

terracing

Front

What is weathering?

Back

the breaking down of rocks on Earth's surface

Front

What is humus?

Back

remains of decayed plants and animals in the soil

Front

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

Back

bedrock.

Front

Human activities that increase soil erosion include: mining, overgrazing by cattle, afforestation

Back

Both mining and overgrazing by cattle

Front

Human activities that increase soil erosion include: mining , overgrazing by cattle , afforestation

Back

Both mining and overgrazing by cattle

Front

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

Back

Embankment

Front

Soil is mostly conserved by:
- afforestation
- deforestation
- making dams
- overgrazing

Back

afforestation