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WorksheetsAIR AND LIVING THINGS
Total questions: 20
Worksheet time: 14mins
Name
Class
Date
1.
Air is mostly made up of what two gases?
a)
oxygen and nitrogen
b)
oxygen and hydrogen
c)
hydrogen and helium
d)
nitrogen and hydrogen
2.
How much nitrogen is in the air? (%)
a)
75%
b)
71%
c)
78%
d)
60%
3.
We can touch air.
a)
Yes
b)
NO
4.
Does air have weight?
a)
Yes, it does
b)
No, it doesn`t
5.
Can we see air?
a)
Yes, we can
b)
No we can`t
6.
With it, we feel the air.
a)
sun
b)
rain
c)
wind
7.
Does fire need oxygen?
a)
Yes, it does
b)
No, it doesn`t
8.
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
9.
What causes acid rain?
a)
High concentrations of sulfuric or nitric acid from pollution
b)
Fertilizer use
c)
Pesticide use
d)
CFCs
10.
Acid rain can damage -
a)
Drinking water sources
b)
Aquatic life
c)
Architecture/buildings
d)
All options are correct
11.
The ozone layer protects us from
a)
UV rays
b)
CFCs
c)
Increased atmospheric heat
d)
Decreased atmospheric heat
12.
The ozone layer is damaged by
a)
CFCs
b)
Increase in greenhouse gases
c)
Increased global temperatures
d)
Sulfuric and nitric acids
13.
Global warming is due to
a)
Greenhouse gases
b)
Nitric and sulfuric acids
c)
CFCs
d)
Ozone depletion
14.
Which of the following are greenhouse gases?
a)
Carbon dioxide
b)
Methane
c)
Water vapor
d)
All answers are correct
15.
Which of these reproduces?
a)
slime
b)
fire
c)
book
d)
kitten
16.
What word do scientists use for food and water?
a)
yummy
b)
nutrients
c)
liquid
d)
hot dog
17.
What makes something living?
a)
It breathes
b)
It runs
c)
It plays
d)
It has hair
18.
A _______ is the basic unit of living things.
a)
vacuole
b)
nutrient
c)
cell
d)
brain
19.
What are substances that are needed for an organism to live and grow?
a)
nutrients
b)
shelter
c)
weather
d)
organs
20.
What can living things do?
a)
They are born, they jump and all of them sing songs.
b)
They are born, they grow, they reproduce and they die.
c)
They do nothing.
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