Sign Language Video Dictionary

Inventor's IQ Points for this activity: 100
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Explore this huge online video dictionary of American Sign Language. 

Did you know that sign language evolved naturally (just like spoken language) around the world over time. One of the first books on sign language (the alphabet) was published in 1620!

Someone who knows only American Sign Language (ASL) will likely not understand someone speaking in German sign language, though ASL is closely related to French sign language.

Learn more about sign language here.


How many fingers do you hold up when signing the word "invent"?