Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.