These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Give your budding young observers a chance to discover simple machines at use in their own home.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project teaches students the differences between fruits and vegetables.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove 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.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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

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.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project idea identifies clouds as a means of predicting the weather.

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.