Inventions

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Across
  1. 5. the Greeks' chewing gum was made from this tree
  2. 6. toy created from a pie tin
  3. 7. the original name for popsicles
  4. 9. was invented when a spring was knocked over
  5. 10. this animal helped create velcro
Down
  1. 1. the number of years it took to patent the laser
  2. 2. last name of chocolate chip cookie inventor
  3. 3. three-dimensional wallpaper was called ______ wrap
  4. 4. helps inventors own their inventions
  5. 8. invention made to clean wallpaper