This science project allows students to study the psychology of happiness.

This science fair project idea examines the reason boats are shaped and engineered.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project idea explores which fruit molds the fastest.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project idea deals with the qualities of shade on a sunny day.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea investigates how the shape of an object affects drag.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

This science fair project idea produces sounds by creating vibrations using different objects.