Most of these are online lessons, usually with some interactivity, intended as part of an online “textbook”.  Many are suitable for a flipped learning situation.  Others are interactives suitable for demonstrating or exploring concepts.  The grade/class for which these were created is given as a guide to the approximate level.

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  • Timer.  A very basic stopwatch.  For timing stuff!

Math & Measurement


Properties of Matter

Elements & the Periodic Table

Atomic Structure


Names & Formulas

Chemical Reactions

Climate Chemistry