lunedì 19 maggio 2014

Electricity



ELECTRICITY
Without electricity our lives would be darker and colder.
 Many appliances in our homes use mains electricity to work. We normally get electricity from the mains or batteries.
Small electrical appliances often use batteries which store electricity.( eg. Mobile phones, Mp3). These appliances can be moved place to place.Batteries run down and need to be replaced or recharged.
A complete circuit is when all the components are set up correctly to allow for electricity to flow. Electricity only flows when the circuit is complete with no gaps.
Conductors are materials that can carry electricity.Many materials conduct electricity, metals such as copper, steel, aluminium.
VOCABULARY
 Appliances are any term in your home which uses electricity.(TV, fridges, computers and many others).


BATTERY
Mains allow electricity to reach our homes.

A battery is the component which provides electrical power to a circuit.


A plug goes into a mains to provide power to an appliance. 

PLUG

MAIN

Nessun commento:

Posta un commento