The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

People have favorite flavors, but what about ants? Which ant food is the most popular?

How well can people recall what they have observed. Test your knowledge in this fun experiment.