In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

This science fair project idea explores the different properties of matter.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This simple experiment serves as an introduction to the greenhouse effect.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project idea identifies trees using a dichotomous key.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.