Yorimichi GamesScience games
The chemical elements, constellations and simple simulations: science you can play with.
Science games (3)
Constellation QuizLearn constellation shapes, names, bright stars and seasons, and find Polaris
Element Symbols QuizLearn element symbols, names and the periodic table: 5 question types from 19 to all 118 elements
Conway's Game of LifePlace live cells, run the generations and watch patterns grow, blink, travel and fade