Structured question and answers for checking understanding during several lessons on electrolysis. There are three powerpoints with various questions. Each covers the following:
- Introducing electrolysis (concept of electrolysis, predicting products of molten salt electrolysis, the process of electrolysis).
- Writing half equations (checking whether students can identify errors in half equations and write them for anions and cations).
- Predicting the products of aqueous electrolysis and writing half equations for the formation of oxygen and hydrogen gas from aqueous ions.
The powerpoints can be used in the following ways:
- As a revision exercise to question students after the topic (interleaving).
- As a quick paced started activity to question students (cold calling).
- Used with mini-whiteboards to check student progress during or at the end of a lesson.
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