Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates whether plants can survive being frozen.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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 experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

Discover whether a metal will expand under hot water.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This project investigates the affect of storage temperature on microwave popcorn.

In this project children practice the scientific method while playing with puffy paint.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.