This science fair project idea deals with the qualities of shade on a sunny day.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea determines the probability of a coin landing heads or tails.

Construct and experiment with a periscope using reflected light rays to gather an image.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science fair project idea researches the effects of acid rain on plant growth.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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

This science fair project idea determines what household items are good conductors of electricity.

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

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.