When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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

Help your child learn about animal classification with this fun and delicious activity.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!