Electricty Presentation

Electricty Presentation - electrical current flows along...

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What is it and where does it come from? 
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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. 
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There are many sources of electricity such as: Fossil fuels: coal, oil and wood.
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Electricity is a kind of energy. It is made in power stations.  How do you think electricity is  connected to our homes? Electricity is also made in batteries. 
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The electricity produced in power stations is carried through wires into  buildings.  and we can connect to it by using a plug. This is called mains electricity
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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 
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Unformatted text preview: electrical current flows along the circuit making the appliance work. In the modern world we rely on electricity for nearly everything. What type of electricity do these appliances use? We need it for important things like: refrigerators heating lighting 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? 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. Mains Battery heat sound, movement...
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Electricty Presentation - electrical current flows along...

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