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Science
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Mains electricity and battery
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Age 9-10
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level: Grade 4
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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.
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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.