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.

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science project allows students to study the psychology of happiness.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

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.