Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science project allows students to study the psychology of happiness.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project idea explores whether white light can be separated into different colors.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this fun experiment, we'll find out how color affects heat absorption!

This project explores ways to prevent static electrical shocks.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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 teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.