Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Demonstrate which cooking method gets rid of the most fat.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project idea determines effective strategies to help students stay awake and attentive.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this science fair project, students make their own rain gauge to measure rainfall.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Discover how and which salt melts ice the quickest.

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

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

This science fair project idea identifies and understands adaptations in birds.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.