Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

In this project, different brands of microwave popcorn are tested and compared.

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

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

In this experiment, the weight of aluminum cans will be compared.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Help your child plant a "tea garden": a garden made of herbs for making teas.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

I scream, you scream, we all scream for homemade spearmint ice cream!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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 teaches about mold. Students will test different foods to see which grow mold the fastest.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.