This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

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

This science fair project idea examines which type of insulation holds in the most heat.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

An home science experiment for older students that teaches about the science behind heat.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

In this science fair project, young children notice and track changes in trees throughout the year.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

In this science fair project, students test how objects float and sink in liquids of different densities.