All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This simple experiment serves as an introduction to the greenhouse effect.

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.