Living on Mars

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Across
  1. 3. Not allowing air to escape or pass through
  2. 4. a substance like gas which is found in stars
  3. 7. a glass dome
  4. 8. growing plants without dirt
  5. 9. the source to get us there
  6. 11. a flying machine
  7. 14. a source of energy which revolves around light
  8. 18. items used to clean ourselves
  9. 20. layer of gasses surrounding earth
  10. 23. organisms that have a relationship between a fungus
  11. 24. animals that don't exist
  12. 25. what we should wear outside
  13. 27. type of strong plastic
  14. 29. what we need to survive
Down
  1. 1. what we live on to survive
  2. 2. bikes a type of transportation
  3. 3. rocks that fly around space from planets
  4. 5. alloy alloys in which aluminium is the predominant metal
  5. 6. the gasses that warm up the atmosphere
  6. 10. rocks and dirt found on mars
  7. 12. a reinforced plastic
  8. 13. a panel which holds a source of power
  9. 15. the planet we live on
  10. 16. a machine that NASA use
  11. 17. a type of fitness equipment
  12. 19. only source of water
  13. 21. Big red planet
  14. 22. a device used to slow the motion of an object
  15. 26. first animals to be taken
  16. 28. the things we eat