G8 Revision Questions for Checkpoint Examinations · Nina's bicycle has a front lamp and a...

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G8 Revision Questions for Checkpoint Examinations

Q1.

Jeff
Typewriter
A
Jeff
Typewriter
A
Jeff
Typewriter
B
Jeff
Typewriter
B
Jeff
Typewriter
A in either place above = 1 mark
Jeff
Typewriter
B in either place above = 1 mark

[Maximum 7 marks]

Jeff
Typewriter
All other colours (except red) are absorbed by the filter
Jeff
Typewriter
chemical
Jeff
Typewriter
electrical
Jeff
Typewriter
light
Jeff
Typewriter
thermal

Q2.

Jeff
Line
Jeff
Line
Jeff
Oval
Jeff
Line
Jeff
Typewriter
M
Jeff
Oval
Jeff
Line
Jeff
Line
Jeff
Oval
Jeff
Oval
Jeff
Oval
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line

[Maximum 6 marks]

Jeff
Typewriter
battery/cells
Jeff
Typewriter
sound
Jeff
Typewriter
heat
Jeff
Typewriter
the motor received less current & turned slower
Jeff
Typewriter
the bulb received more current & glowed brighter

Q3.

[Maximum 6 marks]

Jeff
Typewriter
coal
Jeff
Typewriter
petrol
Jeff
Typewriter
OR gas [2]
Jeff
Typewriter
sun [1]
Jeff
Typewriter
no energy from Sun [1]
Jeff
Typewriter
wind [1]
Jeff
Typewriter
wave, solar or wind [1]

Q4.

Jeff
Typewriter
A
Jeff
Typewriter
C

[Maximum 3 marks]

Q5.

[Maximum 1 mark]

Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line

Q6.

[Maximum 4 marks]

Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Typewriter
oxygen
Jeff
Typewriter
coat the nail with a non-reactive metal eg. zinc

Q7.

Jeff
Line
Jeff
Line
Jeff
Typewriter
The reading on each meter will increase

[Maximum 5 marks]

Jeff
Line
Jeff
Line
Jeff
Typewriter
they will all increase by the same amount
Jeff
Typewriter
the gas particles hit/collide with the walls of the container

Q8.

Maximum 4 marks]

Jeff
Typewriter
hydrogen
Jeff
Typewriter
protons
Jeff
Typewriter
neutrons
Jeff
Typewriter
electrons
Jeff
Typewriter
protons
Jeff
Typewriter
electrons

Q9.

Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Typewriter
good conductor of heat/electricity
Jeff
Typewriter
shiny lustre/sonorous/malleable/ductile/etc

[Maximum 5 marks]

Jeff
Typewriter
copper oxide
Jeff
Line
Jeff
Line

Q10.

[Maximum 5 marks]

Jeff
Typewriter
anthers are outside the petals,enabling wind to spread pollen.
Jeff
Typewriter
the stigma is long & feathery to collect pollen carried on the wind.
Jeff
Typewriter
joining of male & female sex cells.
Jeff
Typewriter
fruit
Jeff
Typewriter
seeds

Q11.

Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Line
Jeff
Typewriter
corrosion
Jeff
Typewriter
it is badly corroded and will fail/break very soon.

[Maximum 4 marks]

End of Paper

[Maximum Total: 50 marks]

Jeff
Typewriter
metals are good conductors of heat and the pipe absorbs heat by conduction

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