Electricity Review

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Across
  1. 2. What electrical component is designed to provide a specific amount of resistance?
  2. 4. What is the unit of measurement for resistance?
  3. 7. What is the opposition to the flow of electric current called?
  4. 11. What safety device is designed to break a circuit if the current exceeds a safe level?
  5. 12. A battery transforms what type of energy into electrical energy?
  6. 14. What instrument can measure voltage, current, and resistance?
  7. 18. What is the fundamental particle that carries a negative electric charge?
  8. 20. In what type of circuit are components connected in multiple paths, so the current can flow through different branches?
  9. 21. What is the force that causes electrons to move in a circuit called?
  10. 22. In what type of circuit are components connected one after the other, so the current has only one path to flow?
Down
  1. 1. What instrument is used to measure voltage?
  2. 3. What is another word for voltage 2 words.
  3. 5. What device is used to open or close an electrical circuit?
  4. 6. What type of material allows electric current to flow easily?
  5. 8. What is the flow of electric charge called?
  6. 9. Which law describes the relationship between voltage, current, and resistance?
  7. 10. What type of material does NOT allow electric current to flow easily?
  8. 13. What instrument is used to measure electric current?
  9. 15. What is the substance within a cell that allows the flow of ions?
  10. 16. What is a collection of one or more cells called?
  11. 17. What is a device that converts chemical energy into electrical energy?
  12. 19. Objects with the same electric charges will do what?