Have an account?
Skip to Content
Build your own quiz
13 questions
Show Answers
See Preview
- 1. Drag and Drop
Choose the word that best completes each sentence:
1. If friction can be ignored, the (a) of a system doesn't change
2. The energy stored in a compressed spring is (b)
3. The (c) is the standard unit for energy.
4. When a book is moved from a higher shelf to a lower shelf, its (d) changes
5. The muscles of a runner transform chemical potential energy into (e)
mechanical energyelastic potential energyjoulegravitational potential energykinetic energyLaw of Conservation of Energy - 2. Multiple Choice
For which of the following is kinetic energy transformed into potential energy?
a rock rolls down a hill
a ball is thrown upward
a swing comes to a stop
a bowling ball rolls horizontally
- 3. Multiple Choice
The gravitational potential energy of an object changes when which two of the following changes?
the object's speed
the object's mass
the object's temperature
the object's height
- 4. Multiple Choice
Friction causes mechanical energy to be transformed into which of these forms?
thermal energy
kinetic energy
nuclear energy
potential energy
- 5. Multiple Choice
The kinetic energy of an object changes when which of the following changes?
the object's chemical potential energy
the object's volume
the object's density
the object's velocity
- 6. Multiple Choice
When an energy transformation occurs, which of the following is true?
Total amount of energy doesn't change
Mechanical energy is destroyed
Mass is converted into energy
Mechanical energy is created
- 7. Drop Down
Complete the flow chart by choosing the correct word for each letter:
a: (a)
b: (b)
c: (c)
d: (d)
e: (e)
formskinetic energystored energyconverteddestroyed or createdchemical energy - 8. Labeling
3 toy cars, each with a mass of 0.05 kg, roll down ramps of different heights. Use the information in the chart to fill in the missing spaces. Use g=9.81 and round your final answers to 2 decimal places. Drag and drop the answers onto the correct place in the table- you may not use all of the options.
answer choices19.60.751.964.430.250.370.490.51 - 9. Multiple Choice
The graph shows the kinetic energy of a car (kJ) as the speed of the car (m/s) changes. When the car's speed doubles from 20 m/s to 40 m/s, by how many times does the car's kinetic energy increase?
The kinetic energy stays the same
The kinetic energy doubles
The kinetic energy is 4 times larger
The kinetic energy is 6 times larger
- 10. Multiple Choice
Using the graph, estimate the car's kinetic energy at a speed of 50 m/s.
2400 kJ
3600 kJ
500 kJ
1600 kJ
- 11. Hotspot
Select the circle where the car would have the maximum gravitational potential energy.
- 12. Hotspot
Select the circle where the car would have the maximum kinetic energy.
- 13. Hotspot
Select the circle where potential energy is transforming into kinetic.
- Answer choicesTagsAnswer choicesTags