Uni 8.1 to 8.3 Making use of electricity

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Across
  1. 1. Thermal energy is given out when a current passes through a conductor, This demonstrates the _______effect current.
  2. 4. The higher the voltage, the larger the _______ flowing through the circuit.
  3. 7. The unit of current is the _______.
  4. 8. A _______ is used to open or close an electric circuit.
  5. 10. We use an _______to measure the size of a current.
  6. 11. The _______of current is from the positive terminal to the negative terminal through the circuit.
Down
  1. 2. A source of _______ energy is necessary for an electrical appliance to work.
  2. 3. A voltmeter should be connected _______ a cell to measure its voltage.
  3. 5. A circuit with a complete path is called a _______ circuit.
  4. 6. When a current passes through a coil of wire, the coil works like a _______.
  5. 9. Current is a flow of electric _______.