Engineering, Earth, and Inventions

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Across
  1. 3. The device you are probably using right now that has keyboard
  2. 4. A moving vehicle
  3. 5. What do you use to write in a white board with
  4. 6. Another word for car
  5. 12. Person who loves science
  6. 14. The 4th of July
  7. 16. What do you use to write with
  8. 17. Person who studies technology
  9. 19. A cylinder item to hold water with
  10. 21. Sphere of water
  11. 23. Compressed powder to write on a sidewalk
  12. 24. Person who studies rock and stone
  13. 26. Builder of magnificent buildings
  14. 29. Person who makes chemicals (2 wds)
  15. 30. Sphere of rock
  16. 31. I am a engineer that makes materials (2 wds)
Down
  1. 1. The fuel for a gun
  2. 2. I make robots (2 wds)
  3. 7. Pencil & _____
  4. 8. Person who studies life
  5. 9. Another thing that a Biologist studies
  6. 10. Engineer of a animal place you go to a lot (2wds)
  7. 11. Siri is a software _________
  8. 13. The sphere you probably heard of that burns asteroids
  9. 15. These are VERY tall buildings in new york
  10. 18. The place you live in
  11. 20. Farming
  12. 22. You might have this to call people
  13. 25. Use this to fly
  14. 27. Person who studies nanotechnology (2 wds)
  15. 28. Flight & space