What%20are%20conductors%20and%20insulators?

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What are conductors and insulators?
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What is a conductor?

• A conductor is something which allows electricity
  to flow through.
• An example of a conductor is
• Scissors
• Paper clip
• Aluminum foil
• Iron
• Steel
• Copper

3
What is a Insulator?

• An insulator is what makes electricity from not
  flowing
• Examples of insulators are
• Cotton
• Paper
• Plastic
• Glass
• Rubber

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These are pictures of conductors and Insulators
Insulators
Conductors
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Now its your turn
What is a circuit tester?

Use of a circuit tester To test whether the
material is a good electrical conductor.
Example of a circuit tester
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Inquiring Minds Want to Know! Conductor or
Insulator? That is the question!

• Now take the bag of materials and spread them out
  in front of you.
• Draw the following table in your journal.
• As you test each item, record whether it was a
  conductor or and insulator with a

Item Conductor Insulator Did the bulb light?
Spoon
Paper clip
pencil
Rubber band
eraser
Foil
Nail
coin
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How to use a circuit tester?

Step 1 Set up the circuit tester as shown above.
Step 2 Place the object between the open ends
of the wire.
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How to use a circuit tester?

• If the bulb lights up, it means the material
  allows electric current to flow through the
  closed circuit.
• The brighter the bulb, the better the conductor
  of electricity is the material.

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Conclusions

• Conductors allow electricity flow through them. 
  Conductors are materials that can carry
  electricity - they conduct electricity. Metal
  materials such as copper, iron, steel and
  aluminum are all good conductors of electricity.
• Insulators do not allow electricity to flow
  through them. Materials such as wood, plastic,
  rubber and glass do not carry electricity and are
  called insulators they dont conduct
  electricity.