Life In Space

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Across
  1. 2. What powers the I.S.S?
  2. 4. Causes objects and people to feel weightless
  3. 7. Main source of energy for life on Earth
  4. 8. Type of space probe that passes by a planet or space obect
  5. 9. vehicle propelled by the exhaust made from burning fuel
  6. 13. A function of the EMU is allowing ________________ between astronauts and command centers
  7. 15. uncrewed vehicle that travels to and obtains info about objects in space
  8. 16. Organism that can be found in moss that survived extreme temps in space
  9. 17. The International Space Station is used for _______________
  10. 19. How astronauts combat muscle and bone loss in space
  11. 20. Only planet with liquid water
  12. 21. A challenge that humans face in space is extreme
  13. 22. The study of life in the universe
Down
  1. 1. All molecules that provide nourishment for life contain ___________
  2. 2. Human-made object placed in space to orbit Earth is an artificial ___________________
  3. 3. Compounds that make up the cells of living organisms
  4. 5. In this zone, planets are "just right" to support Life
  5. 6. A requirement for life
  6. 9. Earth's atmosphere absorbs ______________
  7. 10. Organisms that live in harsh conditions
  8. 11. surrounding Earth, maintains temps, absorbs radiation, burns up asteroids
  9. 12. warm spring that ejects a jet of liquid water or water vapor into the air
  10. 14. Planet that scientists believe is most likely to have liquid water outside of Earth
  11. 18. Allows astronauts and spacecraft to escape gravity