In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Test whether plants can grow without sunlight and water.

This science fair project idea explores how length affects the weight a bridge can hold.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea investigates if fats add to the flavor of food.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

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

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project will help students learn about non-vascular plants, such as mosses.

Plants and light seem to be good buddies, but how far does the friendship really go?

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.