This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

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

Discover how and which salt melts ice the quickest.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science project idea examines the effect of microwaving on various objects.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

In this project, several food items are tested to determine whether they contain starch.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea investigates the difference in reaction times between boys and girls.

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this fun experiment, we'll find out how color affects heat absorption!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project idea explores substances that cause a bubble to last longer.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea examines liquids of different densities.