Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

The project determines which laundry detergent is best for cleaning clothes.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

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

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

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

This science fair project determines the quality of a given product.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this project, waves of vibrations are experimented with using water in glasses.

This science project idea determines how people recognize words while reading.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

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

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.