Use pepper and soap to discover some fun facts about the properties of water.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

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.

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

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.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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

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

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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.

Make edible amber fossils with your second grader to explore the fascinating world of science!

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.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!