Space the Final Word

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Across
  1. 3. It is ______ to wear a helmet outside the spacecraft.
  2. 6. Some ______ hope to travel to Mars one day.
  3. 9. Scientists study ______ there is life on other planets.
  4. 12. Mars is ______ Earth and Jupiter.
  5. 13. The crew ______ extra oxygen tanks on the mission.
  6. 14. Each planet in our solar system is ______ from the others.
  7. 16. ______ the moon looks small, it is actually huge.
  8. 17. Astronauts ______ always check their oxygen levels.
  9. 18. Can you ______ this question about the planets?
  10. 20. Space is freezing cold, even ______ the sun is nearby.
Down
  1. 1. Check all equipment ______ the rocket launches.
  2. 2. The astronaut put on her helmet ______ she boarded the rocket.
  3. 4. The rocket engines push ______ gravity to lift off.
  4. 5. Are you ______ that light is a star and not a planet?
  5. 7. Do we have ______ fuel to reach the moon?
  6. 8. Astronauts must ______ closely to mission control.
  7. 10. The rocket flew ______ the clouds and into space.
  8. 11. Astronauts wear special suits ______ there is no air in space.
  9. 15. The spaceship moved ______ the distant stars.
  10. 19. ______ planet is closest to the sun?