This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Give your budding young observers a chance to discover simple machines at use in their own home.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!