Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

This science fair project idea examines liquids of different densities.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Science fair project that explains and demonstrates the parallax principle.

This science fair project idea teaches kids the different functions of a leaf.

This science fair project idea investigates whether air has mass and weight.

The objective of this science fair project is to investigate salt water density.

This science fair project determines how oil affects a bird’s waterproofing.

This science fair project idea examines readersâ expectations in regard to literature.

This science fair project idea discovers the practical applications for the structural design of a snail shell.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea investigates the hardness property of minerals.

The purpose of this science fair project is to build a basic radio.

Science fair project that builds a magnetometer and demonstrate its uses.

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

This science fair project idea determines the way in which color affects memorization.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea outlines the principles and techniques behind paper batteries.

This science fair project demonstrates the "power of conformity".

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Science fair project that illustrates the properties of black holes in space.

This science fair project idea determines how quickly germs and bacteria spread.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea outlines the practical applications of particular origami folding techniques.

This science fair project idea lets you can create your own Faraday Cage!

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

This science fair project idea explores which fruit molds the fastest.