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In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

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

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.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

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

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.

This science fair project idea discovers the effect of (high) heat on animal cells.

This science fair project will help students learn about non-vascular plants, such as mosses.

This experiment will explore the possibility of creating an infinite object by hand.

This science fair project demonstrates the "power of conformity".

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

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

This science fair project idea investigates how images are influenced by changes in light.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

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

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.