Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this fun experiment, we'll find out how color affects heat absorption!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Construct and experiment with a periscope using reflected light rays to gather an image.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea investigates how color affects temperature.