This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This experiment will explore whether fractals really repeat themselves infinitely.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.