This science project allows students to study the psychology of happiness.

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

Learn whether writing things down really makes things easier to remember.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project idea explores whether talking to a plant will help it grow.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project idea investigates how color affects temperature.

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This basketball project explores the best way to make the perfect shot every time.

This science fair project idea demonstrates that plants give off water.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

In this project, a magnet is used to collect iron from breakfast cereals.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This science fair project idea determines if the color of light affects the growth of plants.

This project examines whether playing music during class helps students learn or if it distracts students from learning.