Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Play this fun matching game with your kindergartener! It's a great way to practice math and number skills with playing cards.

Your child will practice her counting and number recognition as she matches printed numbers to the same number of repetitions of a simple design.

Challenge your kindergartener to finding out if a coin toss is really fair by conducting this coin toss experiment.