Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.