Use a dichotomous key to identify plants or animals.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

Explore the effect of wind speed on the burning rate of a candle.

This project uses toy cars to determine how friction and gravity affect cars and braking.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Compare different remedies for cooling the mouth after eating spicy food.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

This science fair project researches the most effective method to cut an onion and stay tear-free.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

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.

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