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!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

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.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

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

Investigate which substances are most effective at removing salt from water.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Design an improvement for an existing website. Program improved feature, get website owner to implemement new design.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

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

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

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

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.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.