Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

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

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

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

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Test whether plants can grow without sunlight and water.

This science fair project idea investigates whether plants can survive being frozen.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.

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

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea explores the egg's thin membrane.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?