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WorksheetsGS T4 Revision (Book 6)
Total questions: 33
Worksheet time: 17mins
Name
Class
Date
1.
For early machines, what were their sources of energy to help them work?
A. Animals
B. Human labour
C. Wind
D. Water
E. Solar
A. Animals
B. Human labour
C. Wind
D. Water
E. Solar
a)
A, B, C and D
b)
A only
c)
A, B, D and E
d)
B, C, D and E
2.
For nowadays machines, what is the main source of energy to help them work?
a)
Animals
b)
Wind power
c)
Electricity
d)
Firewood
3.
Who improved the steam engine machines?
a)
Isaac Newton
b)
Yang Liwei
c)
James Watt
d)
James Bond
4.
Because of the wide use of machines, it resulted in ____.
A. More people worked in farming
B. More people work in manufacturing industries
C. Higher productivity, more were produced
D. Industrial Revolution
E. Wars
A. More people worked in farming
B. More people work in manufacturing industries
C. Higher productivity, more were produced
D. Industrial Revolution
E. Wars
a)
A, C and E
b)
B and C
c)
A, C and D
d)
B, C and D
5.
What do the westerners use when they eat?
a)
pans
b)
woks
c)
forks
d)
chopsticks
6.
What do the Chinese use when they cook?
a)
pans
b)
woks
c)
knives
d)
chopsticks
7.
What do the westerners use when they cook?
a)
pans
b)
woks
c)
knives
d)
chopsticks
8.
What do the Chinese use when they eat?
a)
pans
b)
wok
c)
knife
d)
chopsticks
9.
What can friction do for a moving object?
a)
Increase its speed of moving
b)
Reduce its speed of moving
c)
Change the size
d)
Change the material
10.
What can force change of a moving object?
A. Volume
B. Colour
C. Direction
D. Speed
A. Volume
B. Colour
C. Direction
D. Speed
a)
A only
b)
B only
c)
A and B
d)
C and D
11.
Who discovered the force of gravity?
a)
Yang Liwei
b)
Galileo
c)
Isaac Newton
d)
James Watt
12.
When we rub our hands, ______ is changed to heat energy.
a)
chemical energy
b)
electrical energy
c)
kinetic energy
d)
sound energy
13.
When we clap our hands, kinetic energy is changed to ______.
a)
chemical energy
b)
electrical energy
c)
kinetic energy
d)
sound energy
14.
When we play the hifi, ______ is changed to sound energy.
a)
chemical energy
b)
electrical energy
c)
kinetic energy
d)
sound energy
15.
When we switch on the hand torch, ______ is first changed to _____. It then produces _____ and ______.
A. chemical energy
B. light energy
C. electrical energy
D. heat energy
E. kinetic energy
A. chemical energy
B. light energy
C. electrical energy
D. heat energy
E. kinetic energy
a)
C >> A >> B >> E
b)
A >> E >> B >> D
c)
A >> B >> C >> D
d)
A >> C >> B >> D
16.
When we switch on lamp on our desk, ______ is changed to light energy.
a)
chemical energy
b)
electrical energy
c)
kinetic energy
d)
sound energy
17.
When we use the lighter, ______ is changed to heat energy and light energy.
a)
chemical energy
b)
electrical energy
c)
kinetic energy
d)
sound energy
18.
What simple machine is used in the picture?
a)
lever
b)
inclined plane
c)
rollers
d)
sound energy
19.
What simple machine is used in the picture?
a)
lever
b)
inclined plane
c)
rollers
d)
sound energy
20.
What simple machine is used in the picture?
a)
lever
b)
inclined plane
c)
rollers
d)
sound energy
21.
What simple machine is used in the picture?
a)
lever
b)
inclined plane
c)
rollers
d)
sound energy
22.
What simple machine is used in the picture?
a)
lever
b)
inclined plane
c)
rollers
d)
sound energy
23.
What simple machine is used in the picture?
a)
lever
b)
inclined plane
c)
rollers
d)
sound energy
24.
What simple machine is used in the picture?
a)
lever
b)
inclined plane
c)
rollers
d)
sound energy
25.
What simple machine is used in the picture?
a)
lever
b)
inclined plane
c)
rollers
d)
sound energy
26.
When the distance between the effort and fulcrum is longer than the distance between fulcrum and load, it ____ save energy.
a)
can
b)
can't
27.
Who invented the first telescope?
a)
Yang Liwei
b)
Galileo
c)
Isaac Newton
d)
James Watt
28.
Which country sent astronauts and set its first feet to the Moon?
a)
China
b)
Britain
c)
Soviet Union
d)
The USA
29.
Which country sent the first artificial satellite?
a)
China
b)
Britain
c)
Soviet Union
d)
The USA
30.
To protect from extreme temperature and radiation in space, the astronauts need to wear _____.
a)
jackets
b)
spacesuits
c)
shoes
d)
breathing equipment
31.
Which force helps the launching of spacecrafts?
a)
Electric force
b)
Magnetic force
c)
Gravitational force
d)
Thrust
32.
The artificial satellites moves around the _____.
a)
Moon
b)
Sun
c)
Earth
33.
If the space technology is used in ____, it is not good.
a)
weather forecast
b)
broadcasting live programmes
c)
military use
d)
detecting Earth's resources
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