Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

This science fair project idea explores whether white light can be separated into different colors.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Using cameras, host a friendly contest between family members or friends to see who can find the most examples of geometry in the real world!

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.