Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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 investigates the difference in reaction times between boys and girls.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Do you think heat can affect a plant's growth rate?

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

In this project students experiment with making music using only glasses of water.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.