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

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Take a dive into the candy jar with this yummy science experiment.

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Make a backbone model to explore human anatomy and life science.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!