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Review

Review. Draw a parallel circuit with 2 bulbs and 1 voltmeter Draw a series circuit with 2 bulbs and 1 voltmeter Describe the difference between volts and amps Calculate the watts used by a 12-volt, 2-amp bulb. Objective 4: conductors, insulators, & resistors. You should be able to :

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Review

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  1. Review Draw a parallel circuit with 2 bulbs and 1 voltmeter Draw a series circuit with 2 bulbs and 1 voltmeter Describe the difference between volts and amps Calculate the watts used by a 12-volt, 2-amp bulb

  2. Objective 4: conductors, insulators, & resistors • You should be able to: • Identify (1-2) • Define or Describe (3-4) • Explain or discuss (5-6) • conductors, insulators, and resistors • How to measure the current traveling through resistors and conductors

  3. Vocabulary • electrons • insulator • conductor • resistor http://www.youtube.com/watch?v=qUhxmXZwPmg (review and conductivity)

  4. Conductors • Materials that allow electrons to flow easily because the electrons are not bound tightly to the atoms http://www.youtube.com/watch?v=tpkyuqial8o (eureka!)

  5. Insulators • Materials that do not allow electrons to flow easily because the electrons are tightly bound to the atoms

  6. Resistors • Materials that allow electrons to flow but at a slower rate. • The materials have a resistance to the flow of electrons

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