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- 1. Multiple Choice
What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?
mechanical energy to chemical energy
thermal energy to mechanical energy
chemical energy to mechanical energy
mechanical energy to thermal energy
- 2. Multiple Choice
What is the energy transformation that occurs in an electric pencil sharpener?
mechanical energy to electrical energy
electrical energy to mechanical energy
radiant energy to sound energy
chemical energy to mechanical energy
- 3. Multiple Choice
Which object shows an energy transformation from electrical to mechanical?
- 4. Multiple Choice
What type of energy transformation occurs in an electric fan?
electrical energy to mechanical energy
radiant energy to mechanical energy
chemical energy to radiant energy
electrical energy to nuclear energy
- 5. Multiple Choice
What type of energy transformation occurs in an electric hot that is turned on?
thermal energy to electrical energy
electrical energy to thermal energy
thermal energy to mechanical energy
mechanical energy to thermal energy
- 6. Multiple Choice
The use of which of the following resources would be most affected by changes in weather
wind
geothermal
natural gas
nuclear
- 7. Multiple Choice
When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?
thermal energy to mechanical energy
thermal energy to chemical energy to mechanical energy
chemical energy to thermal energy to mechanical energy
chemical energy to electrical energy
- 8. Multiple Choice
Which of the following is a disadvantage of using solar energy?
releases carbon dioxide into the atmosphere
reduces the need for electricity from fossil fuels
produces energy only when the sun is shining
is an unclean source of energy
- 9. Multiple Choice
Which of the following is a true statement about using different energy resources?
Wind power is an expensive, non renewable source of energy for the production of electrical energy
Solar power is a clean, renewable source of energy used in the production of electricity
Coal is a safe effective renewable source of energy used in the production of electricity
Nuclear power is a cost effective, nonrenewable energy resource that leaves behind no waste
- 10. Multiple ChoiceWhich of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?Chemical to lightElectrical to chemicalElectrical to lightChemical to electrical
- 11. Multiple ChoiceWhat energy transformations take place when a battery-operated radio is in use?Electrical to chemical to lightSound to chemical to mechanicalChemical to electrical to soundLight to electrical to thermal
- 12. Multiple ChoiceWhich of the following devices transforms electrical energy into mechanical energy?An e-readera fana manual pencil sharpeneripod
- 13. Multiple ChoiceThe diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -chemical energy to electrical to sound.electrical energy to thermal to light.sound energy to electrical to chemical.mechanical energy to electrical to sound.
- 14. Multiple ChoiceWhich energy conversion is taking place when you put gasoline in a car?thermal -> electricalmechanical -> electricalchemical -> mechanicalmechanical -> electromagnetic
- 15. Multiple Choicewhat type of energy is stored in a battery?electricalchemicalthermalmechanical
- 16. Multiple ChoiceElectrical Energy is transferred to _____ Energy.ThermalSolarElectricalNone
- 17. Multiple Choice
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
- 18. Multiple ChoiceA hairdryer converts --electrical energy into chemicalelectrical energy into thermalchemical energy into mechanicalthermal energy into mechanical
- 19. Multiple ChoiceA student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?Mechanical to chemical to electricalChemical to sound to electricalChemical to electrical to soundElectrical to heat to sound
- 20. Multiple Choice
Where is the kinetic energy the greatest?
A
B
C
D
- Answer choicesTagsAnswer choicesTags