Electricity

  1. Introduce electricity.
  2. Why is electricity dangerous?
  1. Relationship between current and voltage.
  2. How a person completes a circuit.
  1. Why is electricity useful?
  2. How can you avoid accidents?
  3. How can you help someone who got a shock?
  4. How do we practice safety at home and school?

At home electricity runs the lights, television, toaster and more. Electricity is a form of energy. Energy is power, the power to do and move things, and to make things work. Electricity is made up of atoms. An atom centre includes at least one proton and neutron. At many a least one electron travels around the centre of the atom at a huge amount of speed. The movement of electrons produces electricity.

There are many ways of finding electricity or getting electrified. There are also many kinds of electric types, for example static electricity. To learn about static electricity you have to learn about the nature of matter. In other words, what is all the stuff around us made of?

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If you walk across a rug, and reach for the doorknob you will receive a static electric shock. Or, if you come inside from the cold, pull off your hat and all your hair stands on end. You will also receive an electric shock.

The movement of electricity is very dangerous. If electricity travels through you, you could easily, seriously get hurt or even die. Electricity can travel through you, if you touch an electric circuit and the ground at the same time; you become electricity's easiest path.

You can avoid these kinds of accidents by keeping all electrical appliances ...

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