The Flipped Classroom. Cornelle Notes. Endothermic and Exothermic. Solids, Liquids & Gases. Nature of Science. NOS and Atomic Discoveries. Chemical Reactions. Chemical VS Physical. 02 Atoms, Molecules, Ions (pgs 1-6 only) WS History of the Atom Review. Ws Reaction Energy. Ws States of Matter. WS Chemical VS Physical Change. PHET Simulation States of Matter. Art history of the atom. Kermit INTRO. Last frontier INTRO. Missing bees HONORS INTRO. Answering Essential Questions Practice. CER Practice. 1 Introduction.