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Score
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15
×
State the energy change that takes place when the hammer is dropped on the pile.
GPE, KE, Heat and Sound
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15
×
State the energy conversion that takes place as the ball moves from the top of the ramp to the bottom and just before hitting the small box.
Gravitational potential energy to kinetic energy.
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×
lifesaver
Give 15 points!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
gift
Win 25 points!
Okay!
×
thief
Give points!
5
10
15
20
25
15
×
The graph below shows the changes in energy as Jolin swings from A to B to C and back again to A. What does each of the lines on the graph represent?
X: Kinetic energy Y: Gravitational Potential Energy
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15
×
At which stage would the toy car possess the most potential energy?
Just wound up, ready to go.
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15
×
At which point, A, B or C, does the metal bob possess the most amount of gravitational potential energy?
A and C
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15
×
Write down the energy conversion that has taken place in the above experiment.
GPE, KE, KE
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×
thief
Give points!
5
10
15
20
25
×
fairy
Take points!
5
10
15
20
25
×
gift
Win 20 points!
Okay!
×
banana
Go to last place!
Oops!
15
×
Which type of energy that enable the planes to fly?
Kinetic energy
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×
thief
Give points!
5
10
15
20
25
×
gold
Win 50 points!
Okay!
×
gift
Win 20 points!
Okay!
×
baam
Lose 10 points!
Oops!
15
×
At which point(s) does the car have no kinetic energy?
A and F
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15
×
Complete the energy conversion from Position A to C by stating only the main energy involved.
GPE, KE + GPE, Heat and Sound
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15
×
State the main energy change in the set-up.
Chemical potential energy, Heat, kinetic energy
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×
lifesaver
Give 20 points!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
gift
Win 20 points!
Okay!
×
baam
Lose 15 points!
Oops!
×
Restart
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