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.

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.

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.

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.

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

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

Word color association is just a fancy way to talk about the way we connect colors with words.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This project explores differences in people's reactions to images in color and images in black and white.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.