Just over $1 Per Resource File. Get it Even Cheaper Without Online Resources.This is a complete and prep-free unit plan hybrid bundle with over 40 downloadable and online resource files for teaching, assigning work, reviewing, and testing. This editable unit plan covers materials in the following five lessons of my Matter, Energy, and Change topic:Types and Classification of Matter: Pure Substances, Elements, Compounds, Mixtures, and Separation of MixturesPhase and Phase Changes of Matter; Solid