This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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.

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.

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

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

Plants and light seem to be good buddies, but how far does the friendship really go?

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.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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.