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Amazing Air (6-O)

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.
Which of these problems can be caused by air pollution?
a)
Respiratory problems
b)
Reduced food sources for humans
c)
Increased disease for humans
d)
Decrease in global temperatures
2.
What causes acid rain?
a)
High concentrations of sulfuric or nitric acid from pollution
b)
Fertilizer use
c)
Pesticide use
d)
CFCs
3.
Acid rain can damage
a)
Drinking water sources
b)
Aquatic life
c)
Architecture/buildings
d)
All options are correct
4.
The ozone layer protects us from
a)
UV rays
b)
CFCs
c)
Increased atmospheric heat
d)
Decreased atmospheric heat
5.
The ozone layer is damaged by
a)
CFCs
b)
Increase in greenhouse gases
c)
Increased global temperatures
d)
Sulfuric and nitric acids
6.
Global warming is due to 
a)
Greenhouse gases
b)
Nitric and sulfuric acids
c)
CFCs
d)
Ozone depletion
7.
Greenhouses gases
a)
Absorb and radiate heat
b)
Destroy the ozone layer
c)
Cause respiratory problems
d)
Create smog
8.
Which of the following are greenhouse gases?
a)
Carbon dioxide
b)
Methane
c)
Water vapor
d)
All answers are correct
9.
Greenhouse gases, in moderate amounts, keep the Earth's temperature stable
a)
True
b)
False
10.
Increase in which gas is primarily responsible for increased global warming?
a)
Carbon dioxide
b)
Water vapor
c)
Methane
d)
Nitric oxides
11.
The ____________________ protects people from the effects of too much ultraviolet radiation.
a)
ozone layer
b)
smog layer
c)
cloud cover
d)
temperature inversion
12.
A colorless, odorless gas
a)
Nitrogen oxides
b)
Ground-level ozone
c)
Carbon monoxide
d)
Sulfur dioxide
13.
A metallic element that can cause brain damage
a)
Lead
b)
Particulate matter
c)
Ground-level ozone
d)
Nitrogen oxides
14.
Dust, ash and pollen are examples of this air pollutant
a)
Lead
b)
Ground-level ozone
c)
Particulate matter
d)
Nitrogen oxides
15.
Combines with other pollutants to form acid rain
a)
Nitrogen oxides & sulfur dioxide
b)
Particulate matter & lead
c)
Nitrogen oxides & ground-level ozone
d)
Sulfur dioxide & ground-level ozone
16.
Can cause burning of the skin
a)
Lead
b)
Particle matter
c)
Sulfur dioxide
d)
Nitrogen oxides
17.
jaya cuts down trees to make billions of toothpicks. Jaya doesn't use toothpicks, she flosses. What is she destroying?
a)
land pollution
b)
conservation
c)
natural resources
18.
Which of the following is an example of a primary pollutant?
a)
Acid rain
b)
Sick building syndrome
c)
Carbon monoxide
d)
Asbestos
19.
Pollution hanging over urban areas that causes reduced visibility is called
a)
Air pollution
b)
Temperature inversion
c)
Light pollution
d)
Smog
20.
Sound that affects the quality and/or health of human life
a)
Light pollution
b)
Air pollution
c)
Noise pollution
d)
Acid shock
21.

Air is made up of atoms and molecules.

a)

True

b)

False

22.

Air has no weight.

a)

True

b)

False

23.

Air is made up of a mixture of many different kinds of gases.

a)

True

b)

False

24.

Gases are invisible

a)

True

b)

False

25.

Which gas is the most common in our air?

a)

Nitrogen

b)

Hydrogen

c)

Helium

d)

Oxygen

26.

Which box below shows a more dense object?

a)

Left

b)

Right

27.

Define Density

a)

The weight of a column of air pushing down on an area

b)

The Amount of Mass in a given volume

c)

The force pushing on an area

d)

The distance above sea level

28.

Define Pressure

a)

The weight of a column of air pushing down on an area

b)

The Amount of Mass in a given volume

c)

The force pushing on an area

d)

The distance above sea level

29.

Define Altitude

a)

The weight of a column of air pushing down on an area

b)

The Amount of Mass in a given volume

c)

The force pushing on an area

d)

The distance above sea level

30.

Define Air Pressure

a)

The weight of a column of air pushing down on an area

b)

The Amount of Mass in a given volume

c)

The force pushing on an area

d)

The distance above sea level

31.

Air pressure is measured with a

a)

thermometer

b)

hot-air balloon

c)

satellite

d)

barometer

32.

The force pushing on an area is called density.

a)

True

b)

False

33.

Clouds are made of water vapor (gas).

a)

True

b)

False

34.

As I walk up Mt Everest, the density of air...

a)

decreases

b)

increases

35.

Measurements of carbon dioxide concentrations in the air taken over the past decade have shown a ____.

a)

leveling off. (stopping the increase)

b)

slow increase.

c)

steady decline.

d)

dramatic increase.

36.

Which gas emission from cars causes the formation of acid rain and photochemical smog?

a)

carbon dioxide

b)

nitrogen oxide

c)

oxygen

d)

ozone

37.

Which property of Air shown in the image?

a)

Air exerts pressure

b)

Air is needed for burning

c)

Air has weight

d)

Air has mass

38.

Guess the concept shown in the image.

a)

land breeze

b)

sand breeze

c)

sea breeze

39.

A storm that occurs with thunder and lightning is called a ______________

a)

Thuderstorm

b)

Storm

c)

Breeze

d)

Hurricane

40.

What happens when air becomes light?

a)

It settles down

b)

It remains where it is

c)

It starts rising

d)

it moves in any direction

41.

Which amongst the following is not a property of Air?

a)

Air has mass

b)

Air has volume

c)

Air can be heated or cooled

d)

Air is oxygen

42.

Mark the things used to remove foul air/hot air out of the closed room.

a)

Terrace

b)

Ventilators

c)

Exhaust fans

d)

Doors

43.

Which property of Air is observed when air is filled in tyres?

a)

Air is needed for burning

b)

Air exerts pressure

c)

Air has mass

d)

Air occupies space

44.

What is wind?

a)

Moving air

b)

stopped air

c)

hot moving air

45.

Look at the picture and guess which propert of Air is shown?

a)

Air has mass

b)

Air occupies space

c)

Air can be heated and cooled

46.

How much percentage of Nitrogen is present in the Air

a)

32%

b)

78%

c)

71%

d)

21%

47.

When does land breeze occur?

a)

Night time

b)

Day time

48.

A gentle wind is called __________

a)

Storm

b)

Cyclone

c)

Breeze

d)

rain

49.
What are gases in the air called that are found in very small amounts?
a)
invisible
b)
trace
c)
particle
d)
atmospheric
50.
Earth is surrounded by an envelope of gases called the _____________.
a)
hydrosphere
b)
solar system
c)
atmosphere
d)
cloud bubble

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