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

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

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

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea determines which method of hand cleansing is the most effective.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea demonstrates that plants give off water.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This biodiversity project examines the biodiversity in your own backyard.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science fair project idea explores substances that cause a bubble to last longer.

Determine if gender affects the ability to identify different smells.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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