Environmental Science Worksheet-5

Environmental Science Worksheet-5

1. Which of the following layers of the atmosphere is farthest from the Earth?

A. Mesosphere                             B. Thermosphere

C. Stratosphere                            D. Troposphere

2. Ecosystems that are closer to the equator are ______.

A. Colder           B. Warmer        C. Freezing        D. None of the above

3. How long does it take the Moon to complete one revolution around the Earth?

A. about 24 days                          B. about 28 hours

C. about 28 years                         D. about 28 days

4. What makes tornado very dangerous?

A. Black clouds above tornado 

B. Lightning around the tornado

C. Very fast spinning wind inside the tornado

D. Water vapor inside the tornado

5. What are the two main gases in the air?

A. Nitrogen and oxygen

B. Nitrogen and methane

C. Carbon dioxide and oxygen

D. Carbon dioxide and water vapor

6. Which of the soil layer is most fertile?

A. Subsoil          B. Bedrock        C. Topsoil          D. Humus

7. What are the sedimentary rocks made of?

A. Rocks that have been changed by heat and pressure in to another form.

B. Deposited rock particles that have settled in layers.

C. Hot, molten rock material that has cooled and hardened.

D. Broken mountains and large stones.

8. What is the impact of the ocean currents?

A. They change salt concentration

B. They affect the climate

C. They destroy rainforests

D. No effect

9. In which layer of the Earth do the weather activities take place?

A. Thermosphere                         B. Stratosphere

C. Mesosphere                              D. Troposphere

10. What is the use of barometer?

A. It measures water temperature

B. It measures water pressure

C. It measures air pressure

D. It measures air temperature

Answer Key:

1.-(c); 2.-(d); 3.-(c); 4.-(c); 5.-(b); 6.-(b); 7.-(c); 8.-(a); 9.-(a); 10.-(b)