1
2
3
100
The tuning fork changes ------------- energy to ---------- energy
kinetic to sound
100
The electric lamp changes ----------- energy to ----------- energy
Electric to light
100
The heater change ------------ energy to ------------- energy
Electric to heat
200
Natural materials or sources of energy that are useful to people and cannot be replaced
Non-renewable resources
200
The pendulum changes -------------- energy to ---------- energy
Potential to kinetic
200
Mention three forms of energy
Chemical
electric
kinetic
potential
light
sound
300
The energy resources that are made by human
Man-made
(Artificial)
300
The fan changes -------------- energy to -----------energy
Electric to kinetic
300
Something that is found in nature and is valuable to humans
Natural resource
400
The ability to do work or make a change
Energy
400
The car fuel change --------------- energy to ---------------energy
Chemical to kinetic
400
Any harmful substance that affects Earth's land, air, or water
Pollution
500
a material that is replaced quickly in nature as wind, water, sunlight, plants and animals
Renewable resource
500
The decrease in a resource so it is about to run out (finish)
Resource scarcity
500
A source of energy made of the remains of ancient, once-living things as coal, oil, and natural gas
fossil fuel