- Science
- Mains electricity and battery
- Age 9-10
-
level: Grade 4
- English
Author's Instructions
Mains electricity: It is the form of electrical power that is delivered to homes and businesses through the electric grid in many parts of the world.
Battery: An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices.
Author's Instructions
Mains electricity: It is the form of electrical power that is delivered to homes and businesses through the electric grid in many parts of the world.
Battery: An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices.
