Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.