Test the placebo effect in different groups of people.

Evaluate the efficacy of different pain management techniques.

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.

Science fair project that examines condensation and the conditions needed in order for dew to form.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

In this project children practice the scientific method while playing with puffy paint.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

How powerful is the reaction between baking soda and vinegar? Find out here!

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Science fair project that creates fog using bottles of hot and cold water.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This experiment will explore whether adding different substances to a gel affects its strength.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

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