This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

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

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Take a dive into the candy jar with this yummy science experiment.

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.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

This science fair project idea experiments with spinning color wheels and optical illusions.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.