This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Test your friends to find out if you can replicate the placebo effect's incredible results.

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.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

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

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

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.