Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This project explores what happens to a rubber band when it is heated and cooled.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Start your toy engines -- this is going to be a fast and friction-filled race!

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Find out which kind of bubble wrap fares best when put in impact.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.