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This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea produces varying pitches of sound.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project idea explores whether color affects a person's emotional state.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

The purpose of this science fair project is to build a basic radio.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.