Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

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 fair project idea examines eye color genetics and the role it plays in eye color inheritance.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

This science fair project idea studies past and current fads and trends.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This experiment will explore whether fractals really repeat themselves infinitely.

Examine the effect of pressure on carbonation in soda.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

This experiment investigates the relationship between the temperature of a candle and its burn rate.