Unit 3 Vocabulary

1234567891011121314151617181920212223242526272829303132
Across
  1. 2. The ends of a magnet where the magnetic force is strongest (north and south).
  2. 6. Electric current that reverses direction regularly.
  3. 7. The relationship between voltage, current, and resistance (V = I × R).
  4. 8. A device that converts mechanical energy into electrical energy.
  5. 9. A material that resists the flow of electric charge (e.g., rubber, plastic).
  6. 10. The potential difference that pushes electric charge through a circuit.
  7. 13. A material that retains its magnetism after being magnetized.
  8. 15. A coil of wire that produces a magnetic field when current flows through it.
  9. 16. Circuit, A complete path that allows current to flow.
  10. 17. A device that converts chemical energy into electrical energy.
  11. 18. A material that allows electric charges to flow easily (e.g., copper, aluminum).
  12. 20. A positively charged particle found in the nucleus of an atom.
  13. 21. A negatively charged particle found outside the nucleus of an atom.
  14. 22. A closed path through which electric current flows.
  15. 24. A device that converts electrical energy into mechanical energy.
  16. 26. A magnet created by running electric current through a coil of wire around an iron core.
  17. 27. A material that becomes magnetic only when near a magnet or electric current.
  18. 28. The region around a charged object where electric forces act.
  19. 29. The interaction between electricity and magnetism.
  20. 31. The area around a magnet where magnetic forces can be detected.
  21. 32. The attraction or repulsion between magnetic poles.
Down
  1. 1. The opposition to the flow of electric current.
  2. 3. The flow of electric charge through a material.
  3. 4. A circuit with two or more paths for current to flow.
  4. 5. A property of matter that causes it to experience a force when near other charged matter.
  5. 11. A circuit with only one path for current to flow.
  6. 12. A broken path where current cannot flow.
  7. 14. The loss of static electricity as charges move off an object.
  8. 19. The buildup of electric charges on an object.
  9. 23. Electric current that flows in one direction.
  10. 25. A device that changes the voltage of an alternating current.
  11. 30. An object that attracts materials containing iron, nickel, or cobalt.