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Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Do different types of oil mix or stack? Find out in this science fair project idea!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This project examines whether people's taste perception is influenced by what they see.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

In this project children practice the scientific method while playing with puffy paint.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This science fair project idea examines the reason boats are shaped and engineered.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores the egg's thin membrane.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.