It can light up the darkness and it can heat up a cold room. You must be very careful when you use electricity. It is powerful enough to burn you or your house. It can also shock you. That means it could kill you if you don't use it carefully.
Electricity is made or generated.
A battery makes a small amount of electricity. Enough to light up a small light. Huge power plants make large amounts of electricity to heat homes, turn on lights, T.V.'s, etc. The generated electricity travels through wires. Demonstrate using a battery, copper wire, and small bulb.