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 science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

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

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.