In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project idea provides evidence that air is everywhere and takes up space.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea investigates the difference in reaction times between boys and girls.

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

This science fair project idea produces sounds by creating vibrations using different objects.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This science fair project idea produces varying pitches of sound.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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.

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

Slip some science into storm watching with a homemade rain gauge!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Is your child a young ornithologist in the making?

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!