In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.