It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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!

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Word color association is just a fancy way to talk about the way we connect colors with words.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.