This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

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.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea determines the probability of a coin landing heads or tails.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project idea explores whether color affects a person's emotional state.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

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

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair project idea examines the reason boats are shaped and engineered.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project examines how seeds hitchhike on animals and clothing.

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.