Flash simulation of an orbit that lets you control the parameters directly, and gives graphs and data showcasing how Kepler’s Laws relate to your setup. Built by the Nebraska Astronomy Applet Program.
Category: Astronomy
PBS Learning Media
Collection of various science learning resources hosted by PBS LearningMedia. Covers topics such as physics, biology, and geology.
Nebraska-Lincoln Astronomy Applets
Various small astronomy simulations built by the University of Nebraska-Lincoln’s Astronomy Department.
Fowler’s Physics Applets
Collection of small physics simulations, many including nice explanations. Built by Michael Fowler.
JavaLab
Just an amazing trove of science simulations built by middle school teacher, DJ Lee. I’m amazed at how much is covered here.
Star in a Box
Explore the Hertzsprung-Russell diagram and how stars of various sizes evolve. Built by Jon Yardley, Stuart Lowe, Edward Gomez, Haley Gomez, and Chris North.
Eclipse Explorer
Simulate solar eclipses, even on other planets and with other moons. Created by MinuteLabs.
Index of Simulations
A spreadsheet pulled together for teachers of a categorized list of hundreds (wait, thousands!) of simulations you can find online, sorted by topic. An incredible resource organized by Helen Reynolds.
Syllabus Games
List of science games and interactives, pulled together by the SyllabusGames YouTube channel, in association with this video.
Gravity Simulator – Huffman
Very cool 3D astronomical simulations, running right in the browser. Created by Darrell Huffman.