PLTW Extra Credit

Edit Answers
123456789101112131415161718
Across
  1. 3. This is the last name of the woman who created liquid paper.
  2. 7. The last name of the brothers that flew the first airplane.
  3. 10. The last name of the man the created the sewing machine.
  4. 12. This is the last name of the man who created blue jeans.
  5. 13. An improvement on an existing product, process or system.
  6. 15. The inventor of the telephone
  7. 16. This woman received the first patent for windshield wipers.
  8. 17. The inventor of the cotton gin.
  9. 18. This man is credited with discovering the smallpox vaccine.
Down
  1. 1. This woman created the Snugli baby carrier.
  2. 2. This is a right granted by the government to an inventor for their invention.
  3. 4. This man is credited with discovering penicillin.
  4. 5. The inventor of the light bulb.
  5. 6. This is the type of cookie that Ruth Wakefield created.
  6. 8. The last name of the man the created the printing press.
  7. 9. The inventor of bifocals and a signer of the Declaration of Independence.
  8. 11. Binney and Smith created these and we use them to color pictures.
  9. 14. A new product, process or system