Science

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Across
  1. 1. a person who studies and developed science
  2. 8. separating water from denser impurities
  3. 12. An example for a carnivore
  4. 13. a form of energy
  5. 15. reason for soil erosion
  6. 16. pollution caused due to over illumination
  7. 19. clouds are made of
  8. 21. certain patterns of stars that resemble living creatures
  9. 22. amount of space occupied by an object
  10. 23. example of an oil yielding seed
Down
  1. 2. layer of atmosphere nearest to earth
  2. 3. largest organ of a human body
  3. 4. if a lump of coal is taken and compressed it at high temperatures it changes to
  4. 5. black gold
  5. 6. A physical change of state
  6. 7. medical help given to an injured before doctor arrives
  7. 9. acute shortage of rainfall creates
  8. 10. organ that absorbs nutrients in our body
  9. 11. small sized celestial bodies covered in ice and rock
  10. 13. the organ that pumps blood in human body
  11. 14. decrease in size on cooling is called
  12. 17. chemical formula of water
  13. 18. Undersea earthquakes causes
  14. 20. how many hours do honey bees sleep
  15. 21. --- absorbs sunlight in plants