In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

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

Cleaning can be a chore, but not with this sudsy experiment!

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

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this activity your child will create their very own marble maze!

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.

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!