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Draw what you see

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Fast drawing for everyone. AutoDraw pairs machine learning with drawings from talented artists to help you draw stuff fast.

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Why do you think the pencil looks bent or broken when it's in the water, but looks straight when it's out of the water?

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1. Draw your paths here

2. Write down the angle

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Fast drawing for everyone. AutoDraw pairs machine learning with drawings from talented artists to help you draw stuff fast.

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What do you think would happen to the light beam if you used a thicker or thinner glass block? Would the angles of bending be different? Why or why not?

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1. Draw your results here

2. Write down 'angle of incidence' and 'angle of refraction'

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Fast drawing for everyone. AutoDraw pairs machine learning with drawings from talented artists to help you draw stuff fast.

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What did you observe about the light beam when it entered the water at an angle?

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How did the light beam behave when it exited the water back into the air? Did it bend in the same way as it did when it entered the water?

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Why do you think the light beam bends differently when it moves from air to water compared to when it moves from air to glass?

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Draw the rainbow you observe here

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Fast drawing for everyone. AutoDraw pairs machine learning with drawings from talented artists to help you draw stuff fast.

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What colours did you observe on the paper after the light passed through the prism?

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Which colour appeared first (closest to the light source) on the paper, and which colour appeared last (farthest from the light source)?

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If you move the prism closer to or farther from the light box, how do you think that would affect the rainbow on the paper?

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How is the rainbow created by the prism similar to or different from a rainbow you see in the sky?

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Why does the light beam bend when it enters the glass block from the air and then bend again when it exits the glass back into the air?