Hydrogen fuel cell

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Across
  1. 3. Substance that conducts ions.
  2. 4. Gas needed for the reaction.
  3. 5. Proton Exchange Membrane.
  4. 6. Electrode where reduction occurs
  5. 8. _________ uses flowing water to drive turbines that generate electricity.
Down
  1. 1. When _____ is consumed in a fuel cell, produces only water.
  2. 2. Hydrogen gas is supplied to the ______ of the fuel cell.
  3. 3. Hydrogen fuel cells and batteries are both _________ cells.
  4. 7. _____ energy comes from organic materials such as wood