Science & Technology - Electricity

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1.
1 point
The smallest particle of matter is made up of a proton, neutron and an ........................................
2.
1 point
Coal, oil and .............................. are called fossil fuels. They formed millions of years ago from the remains of living things. Coal was formed from plants. Oil and natural gas were formed from sea creatures
3.
1 point
A conductor is a material that allows electricity to flow through it.
4.
1 point
When the charges move in a closed loop, we call the path an ......................
5.
1 point
Electric wires are always covered in .......................... or other insulators that do not allow electricity to flow through them. We say these wires are insulated.
6.
1 point
Fill in the missing word .Copper, silver, ....................and aluminium all conduct electricity.
7.
1 point
An ................................. is the smallest particle of matter.
8.
1 point
An insulator is a material that electricity cannot flow through
9.
1 point
In a circuit diagram, what does a circle with a cross inside it represent?
10.
1 point
What supplies energy in an electric circuit?