Electricity - Match the sentence parts

Match the beginnings of the sentences with the sentence endings. There are TWO endings you will not need.
When you put a wire between both ends of a battery
Chemicals in a battery become weaker
Power lines transport electricity
When you rub two objects against each other
Many electrical devices in our homes
Turbines in power stations are used
Many machines in our homes
During a thunderstorm you should
A switch in a circuit
Copper and other metals