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Q 1/9
Score 0
As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?
60
potential and kinetic energy both increase
potential decreases and kinetic increases
potential increases and kinetic decreases
potential and kinetic energy both decrease
Q 2/9
Score 0
At which point in the rollercoaster's journey is its potential energy the greatest?
60
Y
Z
X
W
9 questions
Q.
As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?
1
60 sec
Q.
At which point in the rollercoaster's journey is its potential energy the greatest?
2
60 sec
Q.
The pictures shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?
3
60 sec
Q.
The drawing shows two identical airplanes at an air show. The airplanes are flying at the same speed. Airplane W is flying 50 m higher than Airplane X. Which statement best describes the energy of the two airplanes?
4
120 sec
Q.
A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?
5
120 sec
Q.
Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas?
6
120 sec
Q.
A stationary object may have
7
120 sec
Q.
Which is the best example of something that has kinetic energy?
