2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This biodiversity project examines the biodiversity in your own backyard.

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

Investigate which substances are most effective at removing salt from water.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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

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

Checkerboard play challenges students to use spatial reasoning and computational thinking.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Evaluate the efficacy of different pain management techniques.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.