Energyis not mattter.
hasn’t got volume and mass.
butAll living things Non-living things&
need energy
There are 6 types of energy:
Moving things have kinetic energy.
Electricity is electrical energy.
Our body has chemical energy when we digest food.
The sun has light energy.
Anything that makes sound has sound energy.
Anything that is hot has thermal energy.
Non-renewable sources
• Are limited. They will run out in the future.
• Are burnt and pollute air and water.
Coal is a non-renewable source of energy.
It’s extracted through mines.
We burn coal to get energy.
It’s a black solid.
Petroleum is a non-renewable source of energy.
It’s a black liquid.
It’s extracted through wells.
Cars, buses and heaters burn petroleum to work
Natural gas is a non-renewable source of energy.
It’s a mixture of gases.
It’s extracted through wells.
At home we burn natural gas to cook and heat water.
The sun is a renewable source of energy.
Solar panels change solar energy into electricity and heat.
Water is a renewable source of energy.
Dams change the energy of moving water (hydroelectrical energy) into electricity.