Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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

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

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.