This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

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

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Serve this seasonal carrot salad at Easter brunch this year, and it just might hop onto your family's list of healthy favorites.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Help your first grader gain new reading skills in this fun, homemade phonics game that the whole family can enjoy!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This science fair project idea studies how how do readers predict what events will happen next while reading a story.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

In this project, students will learn what and how foods are grown in rain forests and if there are sustainable methods that can be used.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

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

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Learn how to make fairy wings with these easy instructions. See how to make fairy wings for Halloween or dress-up time.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Show your young artist how to celebrate Mary Cassatt, an Impressionist painter, by creating a mother-child painting in her style.

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