Class -5 Science quiz - Soil Erosion and conservation

The process that breaks down rocks and other materials into tiny pieces on Earth's surface is called

• Weathering

• Erosion

• Soil conservation

• Decomposition

The contents of soil includes:

• Humus

• Sand

• Clay

• Pebbles

• All the above

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Most plants cannot grow well in soil with too much clay because:

• It doesn't hold enough water.

• It holds too much water.

• It is too sandy.

• It doesn't have enough nutrients.

Two main forces of erosion are:

• rain and snow.

• wind and water.

• sunlight and wind.

• pH and salinity.

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If experts are suggesting that, terrace farming can help stop soil erosion, then area is likely to be:

• A forest.

• A desert.

• A hill.

• A swamp.

This may lead to soil erosion

• 
• 
• 
• 

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Plants and trees hold the soil together by their_______

• 
• 

How can farmers prevent soil erosion?

• Cover their crops with a tarp.

• Water the soil everyday in order to weigh it down

• Plant crops to hold the soil in place.

• Cut down all of the trees and crops.

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Soil conservation includes all of the following EXCEPT_______.

• Desertification

• Building Embankments along the rivers

• Terrace farming

• Crop rotation

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NGSS.MS-LS2-5

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

• Windbreakers

• Crop rotation

• Planting of vegetation

• Terrace Farming

Tags

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