Crossword Problem
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9 |
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10 |
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11 |
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13 |
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14 |
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8 |
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Across
1) Any substance that is a source of energy. Gasoline is an example.
2) The positive side of fuel cell.
3) The main source of energy for people.
4) The basic building block of matter.
5) We breathe this.
6) This is what makes a car run, and it is also what can be replaced by a fuel cell.
7) One of the gases that a fuel cell uses. It also makes up water.
8) The name of the fuel cell company we went to visit.
Down
9) This is created by the movement of electrons. (Hint: Look closely at the first few letters in the word electrons.)
10)The negative side of the fuel cell.
11)The most abundant element on Earth; fuel cells are least polluting when run on this.
12)The process of splitting water molecules into their most basic parts to get pure elements.
13)This separates the two sides of a fuel cell.
14)This is the typical energy source for cars. It is also a synonym for vapor.
