The goal of this project is to create an exciting topographical map out of dough.

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

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!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

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

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.

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

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

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.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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!

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair project idea examines the reason boats are shaped and engineered.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.