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

Are There Other Animals that Glow Under a Black Light Besides Scorpions?

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

Which Plants Can Resist Walnut Tree Allelopathy?

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

Doing Forensics with Paper Chromatography!

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

Melting Crayons

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.

How to Build a DNA 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.

The Drawbacks of an Optical Mouse

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

How to Separate Salt from Water

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?

Albedo

In this fun experiment, we&#39;ll find out how color affects heat absorption!

Which Color Absorbs the Most Heat?

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

Inverted Images

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!

Chart the Phases of the Moon 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.

Do Some Liquids Expand More than Others When Frozen?

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

Color and Heat Absorption

In this fun activity, your child will create their very own solar oven to bake s&#39;mores!

Design Challenge: Making a Solar Oven

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

Create Your Own Earth Model

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

Air Density, Convection, and the Movement of Air Molecules

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

Angle of Heat

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

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!

Sow Bug and Pill Bug Behavior

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

Heating Sugar

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 Rings of Saturn: A Scale Model

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.

Halloween STEM Building Challenge

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

Periscope Construction

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!

Star Clock

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

Mineral Streak

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

How to Make Gears

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

Rats!

This science fair project idea investigates how color affects temperature.

Color And Temperature

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Does Ultraviolet (UV) Light Pass through Some Colors More than Others?

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Germs on Hands

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