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

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

In this science fair project, students use the streak test to tell minerals apart from each other.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

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

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea explores whether talking to a plant will help it grow.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Discover flight initiation distance as you play around in the park with this fun bird watching project!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Using a toy race car kids create a visual model of the Doppler Effect.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea determines which method of hand cleansing is the most effective.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.