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Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

This science fair project idea investigates how the shape of an object affects drag.

This science experiment has students test whether a snail moves faster on concrete or dirt.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

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

Explore the neural and mental mechanisms at play in mental imagery.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

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

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

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Think about the adaptive utility of an important aspect of our physiology.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Enlisting the cooperation of your teenager to help prepare your household for an emergency is the perfect way to get set, fast.

This experiment will explore the possibility of creating an infinite object by hand.