Grade 7 - Plenary - Our Environment

1.This is not a part of the natural environment.

a.Swimming Pool         b. Lake         c. Soil          d. Forest

• A

• B

• C

• D

The earth is enveloped in a thin layer of air , known as…….

a.Atmosphere      b. Hydrosphere     c. Lithosphere    d. Biosphere

• A

• B

• C

• D

. ………………………. is a narrow zone where the lithosphere , the hydrosphere and the atmosphere come into contact with each other.

• Ecosystem

• Biosphere

• Hydrosphere

• Lithosphere

The Hard and outermost layer of the earth is known as the ……………………..

• Atmosphere

• Lithosphere

• Hydrosphere

• Ecosystem

. ...........……….. is a community of living and non-living things that work together.

• Natural Environment

• Hydrosphere

• Biosphere

• Ecosystem