This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

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

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Do you think heat can affect a plant's growth rate?

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

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.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

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

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.