  Year 8 Energy retrieval

Quiz by Andrea French

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Correct quiz answers unlock more play!  29 questions
• 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. 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.  