Test your friends to find out if you can replicate the placebo effect's incredible results.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Make a backbone model to explore human anatomy and life science.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Cleaning can be a chore, but not with this sudsy experiment!

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Using a toy race car kids create a visual model of the Doppler Effect.

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

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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