Marshmallow Launch at the White House Science Fair

February 07, 2012 | 3:01

The President 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.

Download mp4 (72MB) | ()

Press Briefing December 16, 2011	West Wing Week 12/16/11 or "A Final March Toward Home" December 16, 2011	Press Briefing December 15, 2011	President Obama on Ensuring Fair Pay for In-Home Care Workers December 15, 2011
A Promise Kept: Pauline and Homecare Workers December 14, 2011	President Obama and the First Lady Speak to Troops at Fort Bragg December 14, 2011	Press Briefing December 13, 2011	Vice President Biden Holds a Campaign to Cut Waste Cabinet Meeting December 13, 2011