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WorksheetsEnergy Transfer
Total questions: 30
Worksheet time: 18mins
Batteries store energy as chemical energy.
True
False
What does a solar cell do?
it converts light into electrical energy
it converts wind into electrical energy
it transmits radio wave signals into space
it converts water into solar energy
Which Apple has the greatest Gravitational Potential Energy?
Apple A
Apple B
Apple C
Apple D
What forms of energy are involved in hammering a nail into wood? Select all that apply
Sound
Kinetic
Electrical
Nuclear
Which of these has kinetic energy?
a book sitting on a shelf
hat and gloves on a table
cars parked in a parking lot
a child kicking a soccer ball
Which of these has elastic potential energy?
a vase sitting on a shelf
a stretched rubber band
a child moving down a slide
sugars stored in the molecules of food
Which of these best illustrates chemical potential energy?
a dog playing fetch
Petrol in a vehicle
water moving down a hill
a skydiver about to jump out of a plane
Identify the energy transfer
electrical to chemical to light
kinetic to potential
chemical to electrical to light
light to sound
What is the source of all energy on Earth?
the moon
the Earth's Core
the sun
the tides of the oceans
The total energy going into a light bulb is 50 J.
The wasted energy is 40 J. How much energy is transformed into light?
40 J
10 J
90 J
50 J
What are the units of energy?
Watt
Newton
Joule
Kelvin
Energy input = energy output.
If energy input is 10J, the energy output must be?
23J
10J
30J
5J
What is the wasted energy here? (we want movement)
heat, light and sound
chemical, electrical and movement
Sound, sound and sound
What is the wasted energy here? (we want light)
electrical
heat
movement
This car needs 800 J of energy to power it. If 500 J is changed into useful energy, how much energy is wasted?
136 J
300 J
500 J
200 J
