WorksheetsJGRC Science 608B
Total questions: 18
Worksheet time: 54mins
Name
Class
Date
1.
Which of the following is NOT the importance of air?
a)
Spin the windmill
b)
Drying clothes
c)
Make paper plane fly
d)
Respiration
2.
How to prove that air is around us?
a)
We can smell air
b)
We can taste air
c)
We can see air
d)
We can feel air
3.
Which of these statement BEST describes atmosphere?
a)
Thick blanket that envelops the earth completely
b)
Thick air blanket that envelops the earth completely
c)
Thick air blanket that envelops the earth
d)
Thick blanket that envelops the earth
4.
Which of these IS NOT the function of atmosphere?
a)
Keeps the earth warm and comfy
b)
Protect the earth from harmful rays from sunlight
c)
Maintains the balance of air around earth
d)
Provide a habitat for birds and insects to live in
5.
Which test shows that air is matter?
a)
We can feel the presence of air
b)
We can inflate a balloon by blowing air into it
c)
Air can dissolves in water
d)
We can use air to fly the hot air balloon
6.
Dissolved air can be seen in water as….
a)
Air bubbles
b)
Transparent liquid
c)
Tiny air particles in water
d)
Water that moves seaweed
7.
Which of these DOES NOT makes up air.
a)
Nitrogen
b)
Oxygen
c)
Carbon dioxide
d)
Sulphite
8.
Nitrogen is NEEDED to…
a)
Makes plant grow
b)
Combustion
c)
As fertilizers
d)
Make leaf green
9.
Humans DOES NOT NEED oxygen for…
a)
Cooking
b)
Respiration
c)
Lighting up birthday candle
d)
Hot air balloon
10.
Which of the following CANNOT produce oxygen.
a)
Animals breathing in herd
b)
Rainforest
c)
Botanical park
d)
The plants in my garden
11.
Carbon Dioxide makes up how many percentage of the air?
a)
3.0
b)
0.003
c)
0.3
d)
0.03
12.
Carbon Dioxide is NEEDED by plants to…
a)
Carry out photosynthesis
b)
photosynthesis
c)
to carry out photosynthesis
d)
photosynthesis process
13.
Water vapour is H2O in the form of….
a)
Solid
b)
Liquid
c)
Gas
14.
How water vapour IS formed?
a)
Evaporation of the surface of the sea
b)
Melting of ice at the north pole
c)
Formation of clouds in the atmosphere
d)
Formation of water droplets beside a cold glass of water
15.
What makes the smoke to be greyish-black in colour?
a)
Presence of black liquid in smoke
b)
Presence of soot in smoke
c)
Presence of charcoal in smoke
d)
Presence of carbon dioxide particles in the smoke
16.
We can prevent harmful particles of smoke from entering our body by…
a)
Breathing through our mouth
b)
Wearing mask to cover our mouth
c)
Breathing through our nose
d)
Using hand sanitizer
17.
If there is a big explosion caused by asteroids knocking into each other, we can hear the sound from earth.
a)
true
b)
false
c)
NOT SURE
d)
I DON’T KNOW
18.
Air helps to…
a)
Boils soup faster
b)
Fly aeroplane
c)
Cool down our body
d)
Make fruits grow faster
100 %
