Day 86: Curved Mirrors

curved

Science 8 – The students continued looking into light and optics today.  The main goal was to see how curved mirrors affected light rays. Unfortunately we don’t have curved mirrors to use with ray boxes so I improvised using curved aluminum foil.

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I think this activity is a bit difficult for the students but it is hard to assess. I don’t want to go deep into them drawing ray diagrams, I mainly want them to understand how mirror curvature and focal points work, and how the images change.  The other part that I am concentrating on is the idea of communication competency.  By this I mean that the skill of drawing a clear diagram using a ruler is an important part of communication.  Whether the student is doing a diagram for themselves, for their teacher or for their classmates, it is important to do a good job so that they can exchange their ideas.

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