Chapter 4 lesson_3
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Transcript

  • 1. Chapter 4 Lesson 3
  • 2. Essential Question
    • What are conductors and insulators?
    • Hypothesis:
    • A:
  • 3. Testing Conductors and Insulators
    • Read all procedures before starting!! (1-5)
    • What is the purpose of our lab?
    • Make a hypothesis:
      • What types of objects will be conductors?
        • What makes them conductors?
      • What types of objects will be insulators?
        • What makes them insulators?
  • 4. Testing Conductors and Insulators Paperclip Cardboard Graphite Nail Wire Bends without breaking Lights the bulb Appearance Test Object
  • 5. Lab Conclusions
    • 1.)Why is copper a good choice for connecting parts of an electrical device?
    • 2.)What types of material were able to conduct electricity?
    • 3.) In what other way could you have graphically represented the data you collected?
  • 6. Conductors
    • Charges move easier in some matter than other….why?
    • Conductors are materials through which NEGATIVE charges can move easily.
      • EX: Metals
      • Negative charges are pushed through. –simulate with students
      • Copper is the most common conductor
  • 7. Insulators
    • Material that resists the flow of electricity
      • Ex: nonmetals
      • Allows us to handle and contain electricity
  • 8. Essential Question
    • What are conductors and insulators?
    • A:
  • 9. Vocabulary
    • Conductor : a material through which heat and electricity flow easily.
    • Insulator : a material that slows the flow of heat and electricity.