Electricity - Remember that dealing with electricity is extremely dangerous, so do not touch electrical products and plugs without adult permission and supervision.
Carefully, have a look around your home. List all the items that need electricity to run? Which products rely on battery power? Do any products run on batteries, which need charging by electricity?
Key questions to think about:
What is electricity?
How does it get into your home?
Is battery-power a type of electricity?