space

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Across
  1. 2. when the air pressure inside it is higher
  2. 6. what astronauts wear on their head
  3. 7. a gas that is in the air and humans need
  4. 9. the part of a spacecraft that people live
  5. 12. tests that scientists do in space to find
  6. 14. an important journey that a spacecraft or
  7. 15. in space, liquids turn into this
  8. 17. space with nothing in it (so sucks in
  9. 18. the study of something in detail to find
  10. 19. circular journey that spacecraft makes
Down
  1. 1. a person who goes into space
  2. 3. a list of planned activities with times
  3. 4. the state of having no weight
  4. 5. a tube-shaped vehicle for travelling in
  5. 8. the force that pulls objects to the ground
  6. 9. when people are counting the time until
  7. 10. going outside the spacecraft
  8. 11. to move easily through air or water and
  9. 13. a large amount of goods sent together to a
  10. 16. the goods carried in a ship, air or