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Worksheetsyear 9 physics revision
Total questions: 28
Worksheet time: 25mins
Type of energy?
Electrical
Chemical
Mechanical
Nuclear
Thermal
Type of energy?
Electrical
Chemical
Mechanical
Nuclear
Thermal
Type of energy?
Electrical
Chemical
Mechanical
Nuclear
Thermal
Potential energy depends on the ________ and ________ of the object.
Height (position)
Mass
Speed
Friction
Identify the energy transfer
chemical to kinetic
solar to electrical
thermal to light
electrical to light
Identify the energy transfer
light to electrical to chemical
chemical to electrical to light
electrical to chemical to light
chemical to electrical to solar
Identify the energy transfer
electrical to chemical to light
kinetic to potential
chemical to electrical to light
light to sound
Identify the energy transfer
mechanical to sound
chemical to electrical
sound to mechanical
thermal to sound
Identify the energy transfer
mechanical to light
chemical to kinetic
electrical to mechanical
kinetic to thermal
An LED converts around 80% of the energy supplied to it into light. How much energy is converted into light if a total of 50 J is supplied to it?
30J
40J
50J
60J
During an energy transfer, only part of it may be usefully transferred. What happens to the remainder of the unused energy?
It's wasted
All the energy is all transferred and used successfully
It is converted into carbon
It is wasted as a gas
What happens to wasted energy?
It decomposes into the ground
It becomes hot
No energy is ever wasted
It is transferred into the surroundings
What can be done to energy?
It can be transferred
It can be stored
It can be dissipated
All of the above
What CANNOT be done to energy?
Created or destroyed
dissipated
stored
transferred
