Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

In this activity, your child will be challenged to make a tower using paper cups.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Test your friends to find out if you can replicate the placebo effect's incredible results.