Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

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

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

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.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

This science fair project idea studies how talking on a cell phone affect driving?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

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

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.

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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Determine how good we are at direct and indirect observation.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).