Energy is a measure of...
It is measured in..
Energy can be roughly divided into 10 types:
The law of conservation of Energy is..
input energy =
Sometimes numbers are included ;
electrical (100J) = light (75J) and thermal ....
Energy is ...
Energy is transferred...
Energy cannot be ...
Work done, or work is ...
As it is energy, the unit is..
Work done calculates ...
work done =
E=
The force is measured in ..
... and the distance in...
Force is measured using a ...
Distance is measured using a ...
Power calculates ..
power =
P=
The unit of power is ...
An energy resource is...
Renewable energy is...
Non-renewable energy is...
Fossil fuels are formed from....
....That have died a long time ago and have been exposed to high....
...Under the Earth's crust for...
Two main reasons we are using fossil fuels less are:
Coal is a solid fuel it is burnt in power stations converting .......... potential energy into thermal.
....This then boils water, which turns to ...
......The steam turns a turbine, which turns a generator, producing ............ energy.
Some advantages of using coal are:
(3)
Some disadvantages of using coal are:
(4)
Oil is a liquid fuel. It is burnt in power stations, converting .................. potential energy into thermal energy.
This then boils water, which turns to ...........
The steam turns a turbine, which turns a ......................., producing electrical energy.
Advantages of using Oil:
(4)
Disadvantages of using oil:
(3)
Natural gas is a ..................
It is burnt in power stations, converting chemical potential energy into .................... energy.
This then ................... water, which turns to steam.
This steam turns a ............................, which turns a generator, producing electrical energy.
Advantages of using gas:
(4)
Disadvantages of using gas:
(4)