Newton's Aquarium is an interactive physics package that helps students visualize and understand Newton's Law of Universal Gravitation. While creating and exploring their own solar systems, students encounter the core concepts in classical physics.

EarthWatch displays a graphical world clock with a dynamic map image of the world showing the day and night areas, a sundial, and an information panel featuring sunrise/sunset times and much more -- all in real-time or time-lapse animation.

Use Element Gorilla Plus to improve your chemistry grades at school. Drills Chemical Elements and Symbols. Choose from 118 chemical elements and their symbols. Choose atoms individually or by Groups. Create a User Defined Group of elements. 3 dif...