Sort 39 Crossword - 8th

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Across
  1. 2. a colorless, odorless, and tasteless gas that is the lightest of the chemical elements
  2. 3. the scientific study of the physical and chemical properties and structures of stars, planets and other objects in outer space
  3. 5. a reddish clay that is used for pottery and tiles
  4. 7. a morbid fear of water
  5. 10. a science dealing with the building and flying of aircraft
  6. 11. operating under the surface of the earth
  7. 13. a geographical area belonging to or under the rule of a government
  8. 14. relating to the making of electricity by waterpower
  9. 16. something that happens suddenly and causes much suffering or loss
  10. 18. the study of the supposed influence of the stars and planets on people’s lives
  11. 20. a system of exercises often done by a group of people
  12. 21. a container that dispenses a substance as a spray
  13. 22. the features of the surface of a piece of land
Down
  1. 1. to remove water or moisture from
  2. 3. extremely or unbelievably large
  3. 4. a substance that is rich in energy and made of carbon, hydrogen and oxygen
  4. 6. to supply or to cause to be filled with air
  5. 8. a symbol used in printing or writing to refer a reader to a note
  6. 9. the earth’s atmosphere and the space beyond
  7. 10. the scientific study of stars, planets and other objects in outer space
  8. 12. an instrument for determining the weight or density of gases
  9. 15. operated, moved or brought by means of water
  10. 17. a raised piece of land with the top leveled
  11. 19. a container used for keeping plants or small animals indoors