LI: To explain how periscopes work.
This week for Inquiry, Mr Johnston came over to LS2 and taught us about periscopes and how they are used. Cassius and I worked together to create a DLO about periscopes, including what a periscope is, an interesting fact and how they work. Mr Johnston taught us that the angle of incidence equals to the angle of reflection. Something interesting I had found out was that soldiers used periscopes to observe the area to see if their enemies were near by.
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