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

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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 teaches students the differences between fruits and vegetables.

This science project teaches students to classify different shapes of leaves.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Invite your fourth grader--and her friends--to channel their inner rock stars as they make their own choreographed music video.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea examines liquids of different densities.

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

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This science project idea examines the effect of microwaving on various objects.