Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Discover which battery composition (type) lasts the longest.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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.

This science fair project tests test whether the presence of spell check has changed standards for spelling.

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

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Science fair project that cultivates slime mold and monitors the stages of its development.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

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.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.

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!

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.