Energy

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Across
  1. 2. Energy from flowing water used to create electricity.
  2. 3. An unfavorable circumstance that reduces one's chance of success.
  3. 6. Energy from minerals within the earth being burnt.
  4. 7. A condition or circumstance that puts one in a favorable position.
  5. 9. A fuel that comes from things that were once living.
  6. 10. A resource that once used, can be replaced naturally and used again.
Down
  1. 1. A machine that when turned creates energy.
  2. 4. A resource that once used, cannot be used again.
  3. 5. Energy that's sourced from the sun's rays.
  4. 8. What it's called when something improves energy's efficiency.