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Energy
Test Description: States of energy, and transformations.
Instructions: Answer all questions to get your test result.
1) Hearing fireworks is an example of
A
potential energy
B
kinetic energy
2) Water at the top of a waterfall is an example of
A
potential energy
B
kinetic energy
3) The law of conservation of energy states that
A
energy cannot be destroyed
B
energy can be created and destroyed
C
energy cannot be created or destroyed
D
energy cannot be created
4) When we eat food, energy is converted from chemical to mechanical.
A
true
B
false
5) Potential energy depends on ________________ and _________________.
A
mass, height
B
speed, height
C
mass, speed
6) Kinetic energy depends on _________________ and _________________.
A
speed, height
B
mass, height
C
mass, speed
7) If two objects were sitting on a table at the same height, which object would have the most potential energy?
A
the heavier object
B
the lighter object
8) Lightning during storms has which form of energy?
A
chemical
B
electrical
C
nuclear
D
sound
9) Which example has only potential energy?
A
a ball bouncing
B
water flowing in a river
C
a bee sitting on a flower
D
a seashell washing up to the beach
10) Which example has only kinetic energy?
A
A wound-up yoyo
B
Snow sitting on top of a parked car
C
A leaf hanging on a branch
D
Lava pouring out of a volcano
11) Energy Rule: the greater the potential energy, the greater the kinetic energy.
A
false
B
true
*select an answer for all questions
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