What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science project researches the correlation between barometric pressure and wind velocity.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

The project researches how lubricants affect the mechanical advantage of a pulley.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

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 project researches whether the type of land use affects the water quality of Queenstown Creek.

This project involves the development of a website using free software online to promote the value of science.

This science fair experiment examines the relationship between gender, age, and smiling.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This project concerns activity happening millions of miles away, on the sun.