Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Do different types of oil mix or stack? Find out in this science fair project idea!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Make a backbone model to explore human anatomy and life science.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.