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!

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

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.

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

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

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!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

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!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Challenge your learner to design and build a city of their own in this creative engineering activity.

Discover whether cold or hot water from the faucet will boil faster on the stove.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.