Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.