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Review of Fourth Grade

Review of Fourth Grade. STARTING WITH ELECTRICITY. Electricity & Materials. What are negative charges called?. Electricity & Materials. Electrons. Electricity & Materials. A continuous flow of negative charges is otherwise known as what?. Electricity & Materials. Electricity.

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Review of Fourth Grade

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  1. Review of Fourth Grade STARTING WITH ELECTRICITY

  2. Electricity & Materials What are negative charges called?

  3. Electricity & Materials Electrons

  4. Electricity & Materials A continuous flow of negative charges is otherwise known as what?

  5. Electricity & Materials Electricity

  6. Electricity & Materials What are the TWO units that are used to measure electricity?

  7. Electricity & Materials Voltage and Amperes (Volts and Amps)

  8. Electricity & Materials What is the voltage of a common DRY CELL battery?

  9. Electricity & Materials 1.5 VOLTS

  10. Electricity & Materials What is a DRY CELL? Describe it.

  11. Electricity & Materials A dry cell is a type of battery that contains chemicals in the form of a paste.

  12. Electricity & Materials What is a WET CELL? Describe it.

  13. Electricity & Materials A wet cell is a battery that contains chemicals in the form of a liquid.

  14. Electricity & Materials What is a CONDUCTOR?

  15. Electricity & Materials A conductor is a type of material that EASILY allows electricity to flow through it. (Usually a METAL)

  16. Electricity & Materials What is an INSULATOR?

  17. Electricity & Materials An insulator is a material that DOES NOT ALLOW electricity to flow through it. (usually a plastic or rubber)

  18. Electricity & Materials The path taken by an electric current is known as what?

  19. Electricity & Materials A Circuit

  20. Electricity & Materials What three things must a circuit have to work?

  21. Electricity & Materials • An energy source (battery) 2. Wire so the current can move. 3. Something to use the electricity. (Light Bulb)

  22. Electricity & Materials What is a closed circuit?

  23. Electricity & Materials A circuit that can work. (It allows the movement of electricity)

  24. Electricity & Materials What is an open circuit?

  25. Electricity & Materials It is a circuit that is “broken” or not complete, so the electricity cannot travel completely through.

  26. Electricity & Materials What is a SERIES circuit?

  27. Electricity & Materials It is a circuit where the electricity only has one path to follow.

  28. Electricity & Materials What is a parallel circuit?

  29. Electricity & Materials A type of circuit where the electricity has more than one path to follow.

  30. Electricity & Materials In a magnet, where is the magnetic force the greatest?

  31. Electricity & Materials Around the poles (top and bottom)

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