compete

Are You Smarter than a 4th Grader (VIDEO)
Are You Smarter than a 4th Grader (VIDEO)
Are You Smarter than a 4th Grader (VIDEO)
Keyes and Riley compete in part-two of "Are You Smarter than a 4th Grader?" Play along with us! Watch the video and see how many you can answer correctly, and buzz in first. This was a science edition of "Are You Smarter than a 4th Grader...