Will increasing the amount of salt in water effect how slow or fast the water freezes?

This science fair project idea determines which colors are more difficult to read at a distance.

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

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea studies the differences in gender perception between people.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project determines which type of physical activity most improves memory.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

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

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

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 investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

The project idea is to understand how sugar effects brain chemistry.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

This science fair project idea designs a unique, eco-friendly living space and encourages advances in green architecture.

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

This science fair project idea demonstrates the property of bouncing in a fresh new way.