energy and electricity

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Across
  1. 3. is a device containing a wire that melts when the current flowing through it reaches a certain value.
  2. 6. a material that is poor conductor.
  3. 7. is a component that is designed to introduce a particular resistance into a circuit.
  4. 9. the heat energy is carried away by the particle of the material changing position.
  5. 12. light-dependent resistor.
  6. 14. is the ability of the cell to drive a current.
  7. 15. the current flow in a circuit is measured using an instrument.
Down
  1. 1. is an electrical conductor used to make contact with a nonmetallic part of a circuit.
  2. 2. is an electrical device in which one part vibrates strongly when an electric current passes through it.
  3. 4. an object allowing the flow of electrical charge.
  4. 5. circuit components are arranged side by side.
  5. 8. cell is a device capable of either generating electrical energy from chemical reactions.
  6. 10. is an instrument used for measuring electrical potential betweentwo points in an electrical circuit.
  7. 11. a part of mechanical or electrical system.
  8. 13. a device consisting of two or more cells.