Impact of Technology/Inventions in the 1920's and 1930's

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Across
  1. 3. Invented in 1923 to make cars more safe on the road. They have three lights and colors red,yellow,green. Garrett Morgan invented this in 1923.
  2. 4. This was becoming a major way for people to get around from city to city.
  3. 5. Invented by Arthur Sicard in 1925. Consisted of 3 sections and was used in the snow.
  4. 6. One of the most innovative inventions of the 1920's because it "ended isolation".
  5. 9. A fixed apparatus in which food is cooked and heated on. From the 1920's. This is also a consumer item.
  6. 10. Invented by Percy Shaw in 1934. Known as the "cats eyes"
  7. 11. Invented in 1928 by Otto Rohwedder. Solution to slicing bread.
  8. 12. Invented by Wallace Rupert Turnbell in 1922, but wasn't tested in flight until 1927. Type of propeller that can be rotated to change their pitch.
  9. 15. Patened by 3M engineer Richard G Drew. First transparent adhesive Tape. Invented in 1930.
  10. 18. Featured red and green lenses for the glasses for the first kind of this movie. It came out in 1922.
Down
  1. 1. Richard M. Hollingshead put this in his driveway in 1933.
  2. 2. Invented by Earle Dickson in 1920. Was a solution to clumsy gauze wraps
  3. 7. A box in which food and drink are kept cool.This was very popuar because it was a new consumer item.
  4. 8. Invented by Alexander Graham Bell in 1924. Has a dial on it and made communication easier.
  5. 12. E This is a vitamin. First discovered in leafy plants by Herbert Evans and Katherine Bishop. This also keeps the heart healthy.
  6. 13. Dr. Frederick Banting and Charles Best successfully created a working insulin for humans in 1922.
  7. 14. Merchandise or other item of common or daily use.
  8. 16. Invented in 1920. Was invented in Gremany. By this women who had insert a hose in the exhaust of a vacuum cleaner.
  9. 17. Sir Alexander Fleming created this medicine in 1928.
  10. 19. An electric appliance used for cleaning carpets.