Moderate difficulty suitable for most players
Clean Fuel and Hydrogen Power Puzzle is a easy crossword puzzle with 7 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Clean Fuel and Hydrogen Power Puzzle
Perfect for beginners with simple, common vocabulary
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Across
- 1. Substance burned or used for energy
- 2. To move a vehicle using power
- 3. H2O, often split to get hydrogen
- 7. Type of energy that is clean and safe
Down
- 4. Energy or strength used to do work
- 5. Air-like substances, hydrogen is one
- 6. Ability to do work or cause change
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- Perfect for beginners with simple, common vocabulary