Counting with one-to-one correspondence is an important kindergarten math skill. This simple activity turns it into a play-anywhere game.

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.

Do you think heat can affect a plant's growth rate?

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?