Big Brain Challenge

Big Brain Challenge

Updated: July 13, 2010

Put your brain to the test in five areas: spelling, geography, history, math and science. There are no grades-- just big brain bragging rights.
Image: The Channel One Spelling Bee
The Channel One Spelling Bee

Are you a freaky human dictionary? Get all the glory with none of the stage fright -- beat our bee.

 
Image: What's Your American IQ?
What's Your American IQ?

See if you could pass a U.S. citizenship test.

 
Image: Mega Math Tournament
Mega Math Tournament

Are you a human calculator?

 
Image: Elements Challenge
Elements Challenge

What puts the H in H2O?

 
 
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