Environmental Studies

Which type of soil has the smallest particles?

• sand

• hummus

• clay

• silt

Clay is...

• never sticky.

• does not hold water well.

• does not contain many nutrients.

• sticky, holds water well, and has nutrients.

soil with the largest particle size that loses water; no nutrients

• Clay

• Grass

• Sand

• Silt

_____is soil that contains almost equal parts of clay, silt, and sand.

• sandy silt

• humus

• loam

• litter

What property of soil could be tested by rubbing soil between fingers?

• color
• ability to retain water
• weathering
• texture

Watering plants using a sprinkler.

• Right

• Wrong

Washing clothes at the river bank.

• Good

• Bad

Collecting rain water.

• Right

• Wrong

Closing the tap after the bucket is full.

• Right

• Wrong

Keeping the tap running while brushing one's teeth.

• Wrong

• Right