Environmental Studies

  Environmental Science Worksheet-1  

1. What is the earth's atmosphere?

A. It is the living thing around the Earth

B. Cover of nitrogen around plants

C. It is the blanket of air surrounding the Earth

D. None of the above

2. Which one is a non-living thing of an ecosystem?

A. Water            B. Birds              C. Trees              D. Reptiles

Environmental Science Worksheet-2

1. What are the two main gases in the atmosphere?

A. Carbon and Oxygen               

B. Nitrogen and Oxygen

C. Carbon dioxide and Water Vapor

D. Nitrogen and Argon

2. Which one is not a type of ecosystem?

A. Desert                                      B. Ocean           

Environmental Science Worksheet-3

1. Approximately how much nitrogen is present in our atmosphere?

A. 21%                B. 78%                C. 55%                D. 99%

2. What causes tides in the ocean?

A. Gravitational force of the Moon and the Sun pulls the ocean water

B. Gravitational force of the Stars pulls the ocean water

C. Earth's magnetic field causes water turbulence

D. Solar winds causes water turbulence