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Wednesday 25 November 2015

Physical Science 20 - Nov 25

Sorry everyone.  I haven't updated the site in a little while.  Let us take a little trip down memory lane.

Last Thursday, Nov 19, students in Period 2 learned how to draw ray diagrams for curved mirrors and find image characteristics based on the diagram.  This is what students in Period 3 did the previous day on Wednesday.  Period 2 students were then assigned Assignment 2.3 and were told to hand it in on Monday.  Period 3 students worked on Assignment 2.3 on Thursday and it was due on Friday for them.

On Friday, Nov 20, both classes learned how to find the image mathematically using a set of equations.  We took some notes on the equations and how they work and then went through some examples.  This was covered on slides 32-37 on the powerpoint in the Physics folder of the course notes.  When this was finished, students then worked on Homework 2.6.  This was checked on Tuesday.

On Monday, Nov 23, students were still struggling with Homework 2.6, so we went over some more examples and then I just gave them some time to work on it.

Yesterday, I checked Homework 2.6 and we went over the answers to it.  Students then started learning about refraction.  This is another property of light that describes what happens when light enters another substance.  Students took notes on slides 44-51 in the powerpoint.  We finished those notes today and students then worked on Part A of the refraction practice problems worksheet.  These are worksheets that students picked up yesterday in class.

Tomorrow we will go through those problems and then look at the laws that govern refraction.

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