This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This fun math card game is a great opportunity to discuss probability with your third grader.

This is a great game to help your child learn number concepts in multiplication and division.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Do you think heat can affect a plant's growth rate?