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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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!

This science fair project idea determines if the color of light affects the growth of plants.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.