Particle Theory Unit with fully editable lesson, group problems and test!Short, but thorough unit on The Particle Theory of Matter that is fully editable. Get a meaningful report card mark fast!This is a 3-part science unit, (think, pair, share,) covering the principles of The Particle Theory and includes differentiation. Specifically designed for the Ontario Science Curriculum Grade 7 Pure Substances and Mixtures C2.1 - C2.8, but aligns with several province/state expectations for Matter. ⏰ Abo