Dodany: Feb 8, 2012

Od: educationweek

Czas: 3:2

President Obama meets an 8th grader named Joey from Phoenix, AZ at the White House Science Fair and the two launch a marshmallow across the state dining room with Joey's science project - an air cannon.

Kanał: Education

Tagi: marshmallow  white house  president obama  education  science 

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