Electricity is the flow of tiny charged particles, mainly electrons, through a conductor, like a wire. It creates an electric current that powers our many devices and machines that we have in our household, from lights to computers.
Contents (22 pages)
- Introduction
- Parts of an atom
- Conductors and insulators
- Electric currents and circuits
- Types of electricity
- How batteries work
- Hoe electricity is produced
- How electricity is measured
- Power lines and transformers
- Electrical safety
- Exercises
- Word list
- Key
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