About This Lesson
This presentation I used as a guide throughout the lesson. The concave/convex slide; students had handouts to draw it first (as a starter). They carried out an experiment looking at filters.
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This presentation I used as a guide throughout the lesson. The concave/convex slide; students had handouts to draw it first (as a starter). They carried out an experiment looking at filters.
Very good, lots of useful pictures and diagrams. also the captions in the slides were handy. Thanks!
it helped me but more detale would be better :) thanks!!!