The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

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

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.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

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.

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

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

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

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.

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.

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.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science fair project idea researches the effects of acid rain on plant growth.

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.

This science fair project idea examines the reason boats are shaped and engineered.

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

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

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

Discover whether a metal will expand under hot water.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.