This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

This science fair project idea demonstrates that plants give off water.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project will help students learn about non-vascular plants, such as mosses.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.