Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Play tic-tac-toe and help your kid memorize multiplication facts!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Try this fun math card game with your third grader to practice division, addition, and problem solving!

Practice multiplication facts by playing baseball in this fun, third grade math board game.