grade 6 science treasure hunt

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Across
  1. 2. Process where plants lose water through leaves
  2. 3. Positive particle in an atom
  3. 6. Force that keeps planets in orbit
  4. 10. Organ that pumps blood
  5. 12. Molten rock inside Earth
  6. 13. Rock formed from cooled lava
  7. 14. Center of an atom
  8. 15. Process that separates mixtures using evaporation
Down
  1. 1. Energy stored due to position
  2. 4. Force that opposes motion between surfaces
  3. 5. Animals without backbones
  4. 7. Energy of a moving objec
  5. 8. Basic unit of life
  6. 9. Heat transfer through direct contact
  7. 11. Gas plants release in photosynthesis