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OBAMA SCIENCE FAIR

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OBAMA SCIENCE FAIR

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President Obama hosts sixth annual White House Science Fair

ABC Television Stations

Students show off inventions at White House science fair

WX: OBAMA SCIENCE FAIR

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Raw Video: Marshmallow Launch at the White House Science Fair

The Obama White House

Obama Touts US Ingenuity at WH Science Fair

It's the White House Science Fair!

The Obama White House