Determine whether the relationship between a personâs armspan and height are genetic.

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

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.