This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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 project students experiment with making music using only glasses of water.

This science fair project idea determines if the color of light affects the growth of plants.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project teaches students about wilting and browning of salad greens.

Discover how and which salt melts ice the quickest.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project teaches students the differences between fruits and vegetables.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

The goal of this project is to create an exciting topographical map out of dough.

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

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!

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

This science fair project idea identifies trees using a dichotomous key.