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bảng tínhEnergy transformation
Total câu hỏi: 15
Worksheet time: 8mins
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
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
Which object shows an energy transformation from electrical to mechanical?
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
Where is the kinetic energy the greatest?
A
B
C
D
Which items would have this energy transformation: chemical energy -> thermal and light energy?
tanning bed
candle burning
wind turbine turning
solar calculator
Which items would have this energy transformation: mechanical energy -> sound energy?
turning on a flashlight
nuclear power plant
wind turbine turning
playing a violin
Which items would have this energy transformation: mechanical energy -> electrical energy?
turning on a flashlight
nuclear power plant
wind turbine turning
tanning bed
What kind of energy is represented in the picture?
Thermal
Chemical
Sound
Kinetic
Solar energy is transferred to _____ energy.
Mechanical
Solar
Sound
Electrical
Electrical energy is transferred to _____ energy.
Thermal
Solar
Electrical
None
Kinetic energy from the car is transferred to _____ energy in the tree.
Solar
Electrical
Thermal
Potential
