7. c) Name the type of energy Jamila has when she is up high in the air.
potential energy
Gravitational potential energy
kinetic energy
8. What two type of energy are transferred from the bulb when the torch is turned on?
Light energy and Heat energy
elastic energy and kinetic energy
electrical energy and heat energy
9. What is a source of light? give 2 examples
A light source is an object that emits its own light eg flames, sun
a light is a light bulb eh light bulb
10. Fuels are useful stores of fuel. How do we get energy from fuel?
When we burn the fuel
when we pour the fuel
11. The law of conservation of energy states that.......
Energy cant change from one form to another
Energy can be destroyed
Energy can neither be created nor destroyed but can only be changed from one form to another.
Energy can be created
12. b) Name the type of energy stored by the trampoline when it is stretched downwards.
potential energy
Elastic energy
kinetic energy
13. A battery can be used in an electrical device such as a torch.
a) What type of energy is stored in a battery?
potential energy
Chemical energy
kinetic energy
Electrical energy
14. Identify the forms of energy stored in the following
a) DRUM
sound energy
kinetic energy
elastic energy
15. Kamau left his torch on overnight, and in the morning he realized that the torch has become very dim. He said that a lot of energy has disappeared from the torch. Explain why his statement was wrong.
there is no more energy
Energy did disappear but was transformed into heat and light energy by the bulb.
