Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Want to turn your child into an expert orator, but don't know how to rid him of the middle school mumbles? Try this activity to get your child to speak up!

Give mom a thoughtful gift this Mother's Day by making a photo collage of her life! This is a great way for your child to practice some basic math skills too!

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

This biodiversity project examines the biodiversity in your own backyard.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Start your toy engines -- this is going to be a fast and friction-filled race!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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 explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

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

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.