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

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

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

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

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.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

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.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Learn about the factors that influence group conformity.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

This experiment will explore if and where fractals can be found in the natural world.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Learn about the growing app design field by designing a new or improved app for smartphones.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

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

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.