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Chapter 11, 12
Revise Static Electricity and Magnetism
| Question | Answer |
|---|---|
| What are the opposite ends of a magnet called? | North pole and South pole. |
| Complete the following sentence; Like poles R_____________ while unlike poles A__________ | Repel, Attract. |
| What instrument can be used to find the directions North, South, East and West? | A magnetic compass. |
| What is meant by the magnetic field of the Earth? | Earth is like a giant magnet, going from north pole to south pole. This makes a magnetic field around the Earth. |
| What is meant by the magnetic field of a magnet? | The field where the magnet has influence over magnetic objects. |
| What direction do magnetic field lines always travel in? | North to south. |
| How does a substance become negatively charged? | By gaining electrons. |
| How does a substance become positively charged? | By losing electrons. |
| What will happen between like charges? | They will repel each other. |
| What will happen between unlike charges? | They will attract each other. |
| What is a conductor? | Something that can carry a charge. A static charge in this example. |
| What is an insulator? | Something that blocks a charge. A static charge in this example. |
| What is earthing? | Earthing is providing a route for the electricity to the ground to discharge into. |
Created by:
SC Dave
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