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This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

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

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

Learn all about balance and motion as your child designs a corn maze!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

This science fair project idea examines whether boys and girls differ in reflexes.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

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

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

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.