ELECTRICITY

http://www.learningcircuits.co.uk/flashmain.htm• http://www.bbc.co.uk/schools/ks3bitesize/science/physics/electricity_1.shtml

1. ATOMS = BUILDING BLOCKS.

• Atoms are the basis for everything in the Universe.

• The protons and neutrons are always in the centre of the atom. Scientists call the centre of the atom the nucleus.

• The electrons are always found whizzing around the nucleus.

Found : find/ found/ found = encontrarWhizzing= girando,orbitando

+_ + +

2. ELECTRICAL CHARGE

There are two types of electrical charge: • positive • negative

• Opposite charges attract • Like charges repel.

3. DEFINITIONS.

4. EXERCISESCopy in your notebook these questions:

•What are appliances?

•What are main powers?

•What is a battery or cell?

•Drag each appliance to either Mains Powered or Battery Powered

•Copy the warnings