UNIT 10 REVIEW

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Across
  1. 3. Substances that don’t allow charges to move through them
  2. 6. This charge has more electrons than protons
  3. 10. Materials which have a conductivity between conductors (generally metals) and insulators (such as most ceramics)
  4. 11. Has free electrons and allows charges to move freely through material
  5. 14. Uses electromagnetic induction to transform mechanical energy into electrical energy
  6. 17. Law. Electric force between objects depends on their distance from one another and each individual charge
  7. 18. Connecting a body to Earth to remove excess charge
  8. 19. Electric _______. A device that changes electrical energy into mechanical energy
  9. 20. Used to step up (increase) or step down (decrease) the voltage of an alternating current.
  10. 22. The amount of charge stored per volt.
  11. 24. Electric _______. A stream of charged particles, such as electrons or ions, moving through an electrical conductor or space
  12. 25. Electrons are moved back and forth.
  13. 26. Used to detect electric charges.
Down
  1. 1. Device used to store electric charge; made of 2 conductors separated by an insulator
  2. 2. Electrons moving in one direction.
  3. 4. A form of energy that occurs naturally (as in lightning) or is produced (as in a generator) and that is expressed in terms of the movement and interaction of electrons.
  4. 5. An electrical circuit that is not complete
  5. 7. Electromagnetic __________. The generation of a current by a changing magnetic field.
  6. 8. The study of electric charges; movement of electrons
  7. 9. A path along which the whole current flows through each component.
  8. 12. This charge has the same number of p+ and e-
  9. 13. This charge has more protons than electrons
  10. 15. Law. The current through a conductor between two points is directly proportional to the voltage across the two points
  11. 16. Electrical _______. The rate at which electrical energy is transferred by an electric circuit.
  12. 17. A circuit without interruption, providing a continuous path through which a current can flow
  13. 21. Device with a specific resistance
  14. 23. Comprises branches so that the current divides and only part of it flows through any branch