In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This project examines whether sugar substitutes are as sweet as real sugar.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This project examines whether people's taste perception is influenced by what they see.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Can cells be frozen? This science fair project provides information to answer this question.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

In this project children practice the scientific method while playing with puffy paint.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.

This experiment investigates whether paper color influences people's ability to remember the information that they read.