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

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

This science fair project idea determines what household items are good conductors of electricity.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project investigates why the number of visible stars changes from place to place.

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 the different properties & interactions of sugar molecules.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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 project determines what category of person is most likely to be ticklish.

Make a backbone model to explore human anatomy and life science.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This experiment tests which gender is better at catching how a magician performs his tricks.

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

Find out which kind of bubble wrap fares best when put in impact.