Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this science fair project, students use the streak test to tell minerals apart from each other.

This project examines whether people's taste perception is influenced by what they see.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project teaches students the differences between fruits and vegetables.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project teaches students about wilting and browning of salad greens.