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.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

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!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

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

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

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 fair project idea examines which type of insulation holds in the most heat.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

This project examines whether people's taste perception is influenced by what they see.

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

Using a toy race car kids create a visual model of the Doppler Effect.