Physics Annual Examination Worksheet '- Educational Assessment Unit, 2014 Page 3
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100.8 m
b) A closed container is filled with air. The container has a length of
0.5 m
0.8 m, a breadth of 0.3 m and a height of 0.5 m as shown in
Figure 3. Calculate the:
0.3 m
closed container
i) volume of air inside the container,
____________________________________________[1]
[1]
Figure 3
3
ii) mass of air, given that the air density is 1.1 kg/m
.
_____________________________________________________________________ [1]
c) All the air particles are now removed from the container. This empty space is called a
_____________________.
[1]
3. a) Underline the correct answer:
i) Seasons on Earth are caused by a (tilt, spin) in the Earth’s axis.
[1]
ii) In winter, regions on Earth receive (less, more) solar energy.
[1]
b) Put the following in order of size, smallest first: star, planet, galaxy, solar system.
________________________________________________________________________ [1]
c) Curiosity is a robotic rover that has been active on planet Mars since 2011. It has provided
further evidence about the presence of water on Mars in the distant past.
The mass of Curiosity on Earth is 900 kg. Complete the table below.
On Earth (g = 10 N/kg)
On Mars (g = 4 N/kg)
Mass of Curiosity (kg)
900
Weight of Curiosity (N)
[3]
d) Name two benefits of space exploration.
__________________________________________________________________________
__________________________________________________________________________
__________________________________________________________________________
________________________________________________________________________ [2]
Physics – Form 3 Secondary – Track 3 – 2014
Page 3 of 10
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