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WorksheetsPotential & Kinetic Energy test corrections
Total questions: 10
Worksheet time: 10mins
Kinetic energy increases as __________________. (7.P.2.2)
mass increases and velocity decreases
both mass and velocity decrease
both mass and velocity increase
mass decreases and velocity increases
The energy associated with the motion AND position of an object is . (7.P.2.2)
(a)
When is the pendulum’s kinetic energy equal to zero? (7.P.2.2)
at the bottom of the swing
at the top of the swing
¾ of the way through its swing
¼ of the way through its swing
Which letter(s) represent the positions of maximum kinetic energy of the pendulum? (7.P.2.2)
A, E
B, D
C
A, C
C, E
If the pendulum is allowed to continue to swing, it will eventually stop. If energy is not destroyed, what causes the pendulum to stop? (7.P.2.2)
The energy required to go up is more than the energy required to go down.
The energy in the pendulum is not really there to begin with.
Some energy is transformed due to friction.
Energy is gained as the pendulum swings back and forth.
(a) is an example of potential energy. (7.P.2.1)
A student listening to music on their phone is relying on what energy transformations?
mechanical to chemical to electrical
chemical to sound to electrical
electrical to heat to sound
chemical to electrical to sound
Which of the following is an example of kinetic energy being transformed into gravitational potential energy? (7.P.2.2)
a person climbing a ladder
a person diving into a pool
a person storing food energy as fat
a person dropping a bat
Which of these is an example of radiant (light) energy being transformed into chemical energy?
a glow stick lights up when broken
a plant makes sugar in the sunlight
water heated by the sun evaporates
a battery causes a buzzer to vibrate
The kinetic energy of wind is transformed into _________________ in a windmill.
mechanical and then electrical energy
solar and then electrical energy
chemical potential and then thermal energy
nuclear and then mechanical energy
