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

The objective of this science project is to determine the length of time for different seeds to germinate.

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!

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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.

This science fair project idea explores how length affects the weight a bridge can hold.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

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

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.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Find out whether a longer airplane will fly farther or a wider paper airplane.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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

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

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

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

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.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

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

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.