In this experiment you will use plastic and magnets to test your local soil composition.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Discover which battery composition (type) lasts the longest.

This science fair project examines the different composition of fungi and plants.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

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 science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

This science fair project idea demonstrates the process of land erosion.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Discover how and which salt melts ice the quickest.

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

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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 the differences between bottle water, filtered water, and tap water.

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

This project examines what types of objects burn and which burn faster and cleaner.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.