This science fair project idea investigates the difference in reaction times between boys and girls.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Is your child a young ornithologist in the making?

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Learn about nature by making your own mini moss garden.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Introduce your child to science with something they see everyday--their shadow!

This project investigates whether chewing gum can help a majority of people with focus and concentration.

Hunt for natureâs treasure, the many different products made by trees!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.