In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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

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

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this science fair project, students make their own rain gauge to measure rainfall.

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