A kid is jumping up and down on a pogo stick. When (or where) is all of his energy converted into almost all kinetic energy?
at the bottom of each jump (or just before touching the ground)
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thief
Give points!
5
10
15
20
25
shark
Other team loses 10 points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 20 points!
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15
Which food item in the picture has more potential energy, the banana (yellow) or the eggplant (purple)?
the banana
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15
On a motocross race track, there can be many hills. When you are at the top of each hill you have less _____________ energy.
kinetic
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banana
Go to last place!
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rocket
Go to first place!
Okay!
rocket
Go to first place!
Okay!
lifesaver
Give 20 points!
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15
At which position on this roller coaster image are potential and kinetic energy about equal?
Either position 2 OR position are correct answers.
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15
As the dirt rally race car shown climbs the hill, how is potential energy changing?
potential energy is increasing
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15
In the image, how does the potential energy of the woman half-way up the ladder compare to the potential energy of the woman on top of the ladder?
The woman half-way up the ladder has only half as much PE. (Or the woman at the top has twice as much as the woman half-way down the ladder.)
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15
The ball in position E has only kinetic energy, no potential energy. (TRUE or FALSE)
FALSE The ball in position E has some potential and some kinetic energy.
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15
The image shows a stretched rubber band which is not yet moving. This is an example of ___________ energy.
potential
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15
A boulder rolling down a hill is an great example of ___________ energy.
kinetic
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15
Describe what happens to the potential and kinetic energy of the blue skateboarder as he goes from the top of the half-pipe to the bottom.
Potential energy changes into kinetic. (Or potential energy decreases, and kinetic energy increases.)
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15
What will happen to this water skier's potential energy as he falls back down toward the water?
potential energy will decrease
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boom
Lose 50 points!
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star
Double points!
Okay!
fairy
Take points!
5
10
15
20
25
lifesaver
Give 15 points!
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15
For the image, which is true?
A) rolling the rock to the top creates more potential energy
B) carrying it to the top creates more PE
C) lifting it with a crane would create more PE
D) how you get the rock there doesn't change PE
D
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15
Gas in a car tank, a battery, and food sitting on a plate are examples of ___________ energy.