First Children Encyclopedia

(Marvins-Underground-K-12) #1

236


Have you ever thought


about what powers your


television, your computer,


or the lights in your


bedroom? A flow of


electricity makes all


these things work.


Electricity

What’s the name of a small object that can store electricity?


Science and technology


Power supply


Electricity travels to your home along


wires above and sometimes below the


ground. The wires above the ground


hang on metal towers called pylons.


Lighting: electricity lights
up our homes, schools,
offices, and streets.

Communication:
electricity can power
telephones and computers.

Transport: electricity
is used to power certain
vehicles, such as trams.

Heating: electricity heats
up household appliances
such as irons and cookers.

Everyday electricity


We use electricity in


all sorts of ways in


our everyday lives.


Making electricity


Electricity is a form of energy. It
can be made using any source of
energy, such as coal, gas, oil, wind,
or sunlight. On a wind farm, wind
turbines use the energy of moving
air to create electricity.
Free download pdf