This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

This science fair project idea explores substances that cause a bubble to last longer.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.