Inventions in the early 1900s

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Across
  1. 2. Device used for sucking up dirt or particles. Invented in 1901
  2. 3. First ever silent movie debuts in 1903
  3. 5. used to dry hair invented in 1920
  4. 8. machine that washes dirty clothes invented in 1907
  5. 9. System using radio waves for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects invented in 1905
  6. 11. The U.S. Mint introduces the __________ head penny in 1909
  7. 13. Pablo Picasso introduces _________ in 1907
  8. 14. Invention to keep cool made in 1902
Down
  1. 1. Major earthquake in 1906
  2. 4. shaving invention in 1931
  3. 6. Machine that moniters your hearts electrical energy invented in 1903
  4. 7. compostable cups invented in 1908
  5. 10. Wide range of synthetic and semi-synthetic materials that use polymers as their main ingredient invented in 1905
  6. 12. Composer and musician who published The Entertainer in 1902.