This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This project compares the strength of one, two, and three-ply toilet paper.