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Free science and math simulations for teaching STEM topics, including physics, chemistry, biology, and math, from University of Colorado Boulder
Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test your ideas!
Explore the states of matter with interactive simulations that show how molecules form solids, liquids, and gases.
science gamesExplore energy conservation with a virtual skater in different skate parks and see energy graphs.Heat, cool and compress atoms and molecules and watch as they change between solid, liquid and gas phases.
Explore energy conservation with a virtual skater, design tracks, and view energy graphs in this interactive simulation.
Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change.
Play with objects on a teeter totter to learn about balance. Test what you've learned by trying the Balance Challenge game.
science games|Gravity and Orbits
PH0 · States of Matter
PH1 · Gravity and Orbits
PH2 · Energy Skate Park
PH3 · Energy Skate Park: Basics 1.1.35
PH4 · Circuit Construction Kit: DC
PH5 · Build an Atom
PH6 · States of Matter: Basics
PH7 · PhET: Free online physics, chemistry, biology, earth science and
PH8 · Build an Atom
PH9 · Balancing Act