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Inventions

Inventions
When was Milk Tray first introduced?

1923
1934
1942
1915

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Inventions
In which decade was the first solid state integrated circuit demonstrated?

1970s
1980s
1950s
1960s

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Inventions
When was the game Frisbee invented?

1870s
1890s
1920s
1900s

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Inventions
William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________?

Pie maker
Student at Yale
Owner of a pizza parlor
Ceramic plate designer

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Inventions
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.

Mae Jamison
Marjorie Joyner
Bessie Blount
Beulah Henry

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Inventions
When was the toothbrush invented?

1742
1790
1765
1770

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