Electricty Presentation

Electricty Presentation - Transcript

What is it and where does it come from

Electricity can be very dangerous You should never put anything into electric sockets except plugs

Never touch appliances wires or electrical switches with wet hands or feet

There are many sources of electricity such as

Fossil fuels coal oil and wood

Electricity is a kind of energy It is made in power stations Electricity is also made in batteries

How do you think electricity is connected to our homes

The electricity produced in power stations is carried through wires into buildings This is called mains electricity and we can connect to it by using a plug

Inside a battery are two different chemicals When you put a battery into an appliance a circuit is made The two chemicals begin to change into new chemicals As they change an electrical current flows along the circuit making the appliance work

In the modern world we rely on electricity for nearly everything We need it for important things like refrigerators heating

lighting

What type of electricity do these appliances use

Can you think of appliances that use batteries

What can you see in this classroom that uses mains electricity

What things do you have at home that use mains electricity

Mains

Battery

heat

sound movement

Cut out and sort the pictures under the correct columns Label the effects of the electricity Blue and green tables write a sentence describing the effect E g The mains electricity causes the iron to heat up so it can iron the wrinkles out of clothes