What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea investigates the hardness property of minerals.

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

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

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.

Cleaning can be a chore, but not with this sudsy experiment!