On a motocross race track, there can be many hills. When you are at the top of each hill you have less _____________ energy.
kinetic
Oops!
Check
Okay!
Check
15
A boulder rolling down a hill is an great example of ___________ energy.
kinetic
Oops!
Check
Okay!
Check
15
A skier going down a hill is an example of ____________ energy.
kinetic
Oops!
Check
Okay!
Check
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.)
Oops!
Check
Okay!
Check
15
In the bar graph shown in the image, potential energy + kinetic energy = __________ energy.
total
Oops!
Check
Okay!
Check
15
What will happen to this water skier's potential energy as he falls back down toward the water?
potential energy will decrease
Oops!
Check
Okay!
Check
thief
Give points!
5
10
15
20
25
gift
Win 10 points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
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.
Oops!
Check
Okay!
Check
15
Gas in a car tank, a battery, and food sitting on a plate are examples of ___________ energy.
chemical / potential
Oops!
Check
Okay!
Check
15
Which food item in the picture has more potential energy, the banana (yellow) or the eggplant (purple)?
the banana
Oops!
Check
Okay!
Check
baam
Lose 15 points!
Oops!
star
Double points!
Okay!
rocket
Go to first place!
Okay!
lifesaver
Give 15 points!
Oops!
lifesaver
Give 25 points!
Oops!
gold
Win 50 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
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.)
Oops!
Check
Okay!
Check
15
At which position on this roller coaster image are potential and kinetic energy about equal?
Either position 2 OR position are correct answers.
Oops!
Check
Okay!
Check
lifesaver
Give 20 points!
Oops!
magnet
Take 15 points!
Okay!
rocket
Go to first place!
Okay!
lifesaver
Give 20 points!
Oops!
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