Construct batteries that make electricity from fruits with this fun science fair project.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

This science fair project idea demonstrates how our fingers prune when in water.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

The project investigates how friction affects motion by using different surface textures.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

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

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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

Find out whether matching resonant frequencies can cause objects to shatter.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

This science fair project investigates why the number of visible stars changes from place to place.