This science fair project idea produces varying pitches of sound.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

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

This science fair project idea explores the different properties of matter.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

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

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

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project idea determines what household items are good conductors of electricity.

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