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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

The purpose of this science fair project is to build a basic radio.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

This science project allows students to study the psychology of happiness.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project idea determines if the color of light affects the growth of plants.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.