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In this project students experiment with making music using only glasses of water.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

This science fair project examines how seeds hitchhike on animals and clothing.

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

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Do you think heat can affect a plant's growth rate?

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

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

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.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

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

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

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

This science fair project idea examines which type of insulation holds in the most heat.