Energy

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Across
  1. 2. Rock that contains metal or valuable minerals
  2. 5. Substances burned to produce energy
  3. 7. Flow of electrons that powers devices
  4. 11. Substance made by bees or used in candles
  5. 12. Small hard seed used for food
  6. 13. Tall, slender grass often found near water
  7. 14. Basic building blocks of matter
  8. 15. Preserved remains of ancient organisms
Down
  1. 1. Black rock used as fossil fuel
  2. 3. Power that can be used to do work or cause change
  3. 4. Naturally occurring solid substances from Earth
  4. 6. Planting seeds in soil
  5. 8. To make or become different
  6. 9. Gathering crops from the fields
  7. 10. A foot-operated lever on a bike