Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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 science fair project examines how seeds hitchhike on animals and clothing.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!