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