How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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?

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

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.

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

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.