Color Vision phet lab
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Last updated over 6 years ago
10 Nsɛmmisa
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Go to: https://phet.colorado.edu/sims/html/color-vision/latest/color-vision_en.html
**If possible, make your screen a split screen between these questions and the interactive so you don't have to keep clicking back and forth.**
The flashlight should not be on. What is the subject seeing? (what they see is in the
bubbles around their head)
What is the color of the light that is directed at the subject’s eyes?
What color do they perceive? (in the bubbles around their head)
What do you notice about what the person sees as you change the color of the bulb?
Click on the gray button and move it to the right to add filters.
Try changing the color of the filter. What does the filter do?
Click on the white light bulb (the one on the left) and move the slider for the filter color. What does the filter do now?
Click on the light beam on the right. Now you are seeing the light as particles, not a beam. As you move the filter slider, and make some observations about what you notice about the light, the filter, and what is perceived.
Click the reset button in the bottom right then click the RGB button at the bottom.
No lights are on. What color is perceived?
Click on the sliders and add light by sliding up all the way. Fill out the data table below with your observations:
If you don’t move the sliders all the way up, how does it change what you perceive?