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Lesson-3 Impact on Atmosphere - Grade 6 Am.

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

1. The percentage of Nitrogen gas in the air is:


a)

21%

b)

1%

c)

42%

d)

78%

2.

1. Which sentence is correct about greenhouse gases:

a)

Are gases in the atmosphere that trap heat energy from the sun.

b)

Are found in the atmosphere in high percentage

c)

Examples of greenhouse gases: CO2 and methane gas.

d)

both option 1 and 3

3.

1. What is the difference between ozone gas and oxygen gas?

a)

Ozone gas is made up of 3 atoms of oxygen, while oxygen gas is made up of 2 atoms of oxygen.

b)

Ozone is harmful in the upper and lower atmosphere, while oxygen is useful

c)

Ozone gas is inhaled by animals while oxygen gas is inhaled by human

4.

which kind of energy is produced from the inner layer of the earth(the core):

a)

Chemical energy

b)

Geothermal energy

c)

Solar energy

d)

Electromagnetic energy

5.

what is the source of particulate matter?

a)

Volcanic eruptions and forest fires.

b)

Burning of fossil fuels in vehicles

c)

Burning fossil fuel in power stations

d)

All of the above

6.

Is a law in united states that sets limits on the amount on certain pollutants that can be released to the air

a)

Clean air act

b)

Air pollution

7.

Is the heat that comes from inside the earth that can be used for generating electricity

a)

Hybrid cars

b)

CFCs

c)

Geothermal energy

8.

Snow or rain that has PH less than 5.6

a)

CFCs

b)

Acid precipitation

c)

The Montreal Protocol

9.

One of the following is not from the resources of sulfur emissions

a)

marshes

b)

Burning fossil fuel

c)

revers

d)

Volcanoes

10.

--------- is a protective layer of ozone gas, found in the upper part of the atmosphere and protect living things from harmful U.V rays

a)

Vertical forests

b)

Ozone layer

11.

-----------------is a blanket of air that surrounds the earth

a)

Atmosphere

b)

Air pollution

12.

Ozone in the upper part of the atmosphere is --------

a)

making air difficult to breathe

b)

harmful

c)

useful

13.

Smoke is a mixture of smog and fog.

a)

True

b)

False

14.

Use both battery and fossil fuel for power

a)

Hybrid cars

b)

The Montreal Protocol

15.

is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion?

a)

Acid precipitation

b)

The Montreal Protocol