Since no one answered, and I really need help:

So I am doing this science experiment about light. I chose to do one where you put a pencil in a glass of water and the light makes it look like it's bending. There is a chart of measurements that you need to fill out and I have no idea how to get them. I know you are gonna use a protractor and measure different stuff about the pencil but can someone please explain to me how to fill out this graph:

Angle of Incidence |Air|Water|Glass
In Air (or water,
or glass)
|__________________|___|____|_____
|__________________|___|____|_____
|__________________|___|____|_____
|__________________|___|____|_____

1 answer

Take a look at Snell's Law. Then you can make up measurements and figure the related values.

Not sure how you'd lay a protractor against the water container... I'm sure you can find some online examples, though.
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