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Electricity and mag
Electricity and magnetism
| Question | Answer |
|---|---|
| Why is copper used by electricians to wire homes? | Copper is a great conductor of electricity |
| Naturally occurring electricity (the build up of an electric charge) is known as: | Static Electricity |
| A complete path is necessary in order to create a electrical circuit (T/F) | True |
| A piece of iron encircled by a coil of wire through which an electric current is passed to magnetize the iron is known as: | An electromagnet |
| What 3 things do you need to make an electromagnet? | A piece of iron, wire and a battery |
| Which object will a magnet attract? (paper, plastic or iron) | Iron |
| A magnet has 2 poles: North and: | South |
| Opposite poles attract. Same poles- | Repel |
| Why do magnets repel and attract? ( What do they have around them?) | They contain a force/magnetic field around them |
| What is necessary to have in order for electricity to move from the source (the wall outlet) to the vacuum clearer in order for the vacuum cleaner to work/power on? (Magnets or a circuit?) | A circuit |
| What is a circuit? | A pathway made of wires that electrons can flow through |
| What flows through a circuit to create electricity? | Electrons |
| Give 2 examples of static electricity: | Balloon and hair & feet and carpet |
| Using less batteries (or a smaller power source) will increase the strength of an electromagnet (T/F) | False |
| If an object allows an electric charge to pass through it easily, it is known as a: (Conductor or Insulator?) | Conductor |
| If an object does not allow an electric charge to pass through it easily, it is known as an: (Conductor or Insulator?) | Insulator |
| Not able to be seen through (not transparent) | Opaque |
| Allowing light to pass through it (can see through it easily) | Transparent |
| What does a good heat conductor do? | It allows heat to pass through it easily |
| Choose the 2 best heat conductors? (penny, iron, water, wood) | A penny and iron |
| Do you need a power source and a complete circuit to conduct electricity? (Y/N) | Yes |
| The object used to start and stop the flow of electricity is know as a: | switch |
| A battery is an example of a: | Power source |
| Which will not be attracted by a magnet? (a paperclip, another magnet, metal hanger, screw, a nickel) | A Nickel |
| Rubber Wood Plastic. These are examples of good__________. | Insulators |
| A girl gets shocked going down a slide. This is an example of: | Static Electricity |
| Many electric devises use what type of magnet? | An electromagnet |
| Naturally occurring Static electricity: Give an example: | Lightning |
Created by:
apetrillo
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