This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Check out this game that provides an enjoyable way of demonstrating how recorded results can be expressed in whole numbers, fractions, and decimals.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.