Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

The project determines which type of birds prefer which type of birdseed.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

This project determines what category of person is most likely to be ticklish.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This experiment tests which gender is better at catching how a magician performs his tricks.

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.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.