Categories Basic states/changes Matter States of Matter:Basic Post author By Helen Reynolds Post date 19 March 2020 No Comments on States of Matter:Basic Basic states/changeshttps://phet.colorado.edu/sims/html/states-of-matter-basics/latest/states-of-matter-basics_en.htmlN.B. Preview is created automatically, doesn't always work and may capture splash screens. Tags High School, KS4, Physics, Simulation