Year 8 Energy retrieval

Quiz by Andrea French

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Q 1/29
Score 0
What is this apparatus called?
29
Thermometer
Experiment machine
Data logger
Meter

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29 questions

Show answers

Q1
What is this apparatus called?
Thermometer
Experiment machine
Data logger
Meter
60s
Q2
Why do we use a data logger?
More scientific
Cleaner
Precise
Easier
60s
Q3
Why do we use a data logger?
Accurate
Cleaner
More scientific
Easier
60s
Q4
In physics, what does work mean?
The transfer of energy when a force moves an object in Newtons.
The transfer of time when a force moves an object in Joules.
The transfer of distance when a force moves an object in Joules.
The transfer of energy when a force moves an object in Joules.
60s
Q5
The children are doing work. What does work mean?
The transfer of time when a force moves an object in Joules.
The transfer of energy when a force moves an object in Joules.
The transfer of energy when a force moves an object in Newtons.
The transfer of distance when a force moves an object in Joules.
60s
Q6
Pushing a box is work. What does work mean?
The transfer of energy when a force moves an object in Newtons.
The transfer of time when a force moves an object in Joules.
The transfer of energy when a force moves an object in Joules.
The transfer of distance when a force moves an object in Joules.
60s
Q7
What is the equation for calculating work done?
Work done (J) = force (N) x distance moved (m)
Work done (J) = force (N) + distance moved (m)
Work done (J) = force (N) / distance moved (m)
Force (N) = Pressure (N/cm2) x distance moved (m)
60s
Q8
What is the work done to lift the 10N box up 2m?
10 + 2 = 12J
2 x 10 = 20J
1/10 = 0.5J
10/2 =5J
60s
Q9
What is the work done to push the 500N box 2m?
500 x 2 = 1000J
500/2 =250J
2/500 = 0.004J
500 + 2 = 502J
60s
Q10
How does the input force (effort) of this simple machine compare to its output force (load)?
Smaller
Bigger
No difference
Same
60s
Q11
How does the distance moved of this machine change from input force to output force?
Same
Don't know
Larger
Smaller
60s
Q12
How can we describe the screwdriver in this diagram?
Pulley
Lever
Tool
data logger
60s
Q13
In the diagram, the input force is the same size as the output force.Explain why it is easier to lift the weight with this pulley system than without it.
Able to use friction to help you pull down
Able to use your hand to help you pull down
Able to use your weight to help you pull down
Able to use gravity to help you pull down
60s
Q14
In the diagram, the input force is the same size as the output force.Explain why it is easier to lift the weight with this pulley system than without it.
Able to use your weight to help you pull down
Able to use friction to help you pull down
Able to use your hand to help you pull down
Able to use gravity to help you pull down
60s
Q15
The input force is smaller than the output force for the pulley system in the diagram. Explain how this is possible
The distance moved by the input force is greater than the distance moved by output force so the output force is increased
The distance moved by the input force is the same than the distance moved by output force so the output force is reduced
The distance moved by the input force is smaller than the distance moved by output force so the output force is reduced
The distance moved by the input force is greater than the distance moved by output force so the output force is reduced
60s