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.

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

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

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.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

Discover how and which salt melts ice the quickest.

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 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.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.