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

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

This science fair project idea tests the efficiency of short term memory.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Here's an activity that lets your third grader, fourth grader, or fifth grader bring the warmth and light of lanterns into your home by making his own.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Make a photo book to provide a reassuring guide for your child's first days and weeks of school.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

This game will help build your child's word bank as she competes with family members for the "Word of the Day" champion title.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Here are some kindergarten readiness activities that you can do with reused plastic bottle caps.

With friendship bracelets, facials, fortunes, and fondue, this slumber party will be a great kick-off to 2010.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

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