The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Science fair project that determines whether mass and weight are the same or different.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

This science fair project idea investigates whether plants can survive being frozen.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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

This science research project challenges students to think of more effective lobster farming methods.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.