Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea explores how water and ice can change the form of rocks.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

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

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Use a dichotomous key to identify plants or animals.

This science fair project idea experiments with spinning color wheels and optical illusions.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.