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12 questions
Which of these objects store chemical energy?
battery
light bulb
petrol
pizza
__________ energy is the energy stored by moving objects.
__________ energy is another word for heat energy.
Which of these are stores of nuclear energy?
Stars
Batteries
Atoms
Nuclear bombs
Speakers, TVs and your voice are all stores of __________ energy.
Select the correct energy transfer for a light bulb
Light -> Sound
Electrical -> Light
Chemical -> Light + Sound
Electrical -> Light + Sound
In a closed system the amount of energy remains constant.
True
False
A stretched spring stores __________ potential energy.
In your own words, state the Law of Conservation of Energy.
The unwanted energy produced by an object is called the __________ energy.
The energy transfer for a TV is:
electrical -> light + sound + heat
Which of the energies are useful?
electrical
light
sound
heat
The energy transfer for a car engine is:
chemical -> kinetic + sound + heat
Which of the energies are wasted?
chemical
kinetic
sound
heat
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