Free related powerpoint (contains animations which may not work on Apple Computers) available with download. Part A deals with Matter, Density, Changing State and The Particle Theory. This one is free. Please consider purchasing my other offerings in this series.
(PowerPoints contain animations which may not work on Apple Computers)
Jnr Science _ Chemistry Part A - F by Michael Profitt is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License