Electricity and circuits

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Across
  1. 1. Ina dry cell, the end with the metal cap is the ____ terminal.
  2. 3. A_____ cell that directly converts solar energy into electrical energy.
  3. 4. the path around which electric current flows.
  4. 5. a substance that does not allow electric current to flow through it.
  5. 6. the electric cells are necessary to make the ______ glow.
  6. 7. The _____ terminals of the cell, one of them are + and other -.
Down
  1. 2. An electric current has ______ energy.
  2. 4. a substance that conduvts electricity.