This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

The project investigates which soft drink is worse for your teeth by observing the affect of soft drink on limestone.

Find out whether putting something on top of a plant will inhibit its growth.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea examines whether boys and girls differ in reflexes.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Discover which fabrics shrink the most in the wash and why.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.