1) DRAWING LESSON
67 minutes
In this lesson we will find out how the eye functions, and we will see how supporting cells play a critical role even though they don’t actually respond to light.
2) ACTIVITIES
Activity 63-1: Helpful website
Here is a site that has some short explanations, both written and video:
https://www.sciencelearn.org.nz/resources/50-how-the-eye-focuses-light
Activity 63-2: Find your blind spot
Don’t believe you actually have a blind spot in your vision all the time? This activity will let you find it. Normally, our brain fills in the gap and we don’t notice. But this is a way to isolate it and let you see it. Try one of these links:
https://faculty.washington.edu/chudler/chvision.html
https://www.exploratorium.edu/snacks/blind-spot
Activity 63-3: Experiment with lenses
Click here for a page of simple interactive optics demos.
Activity 63-4: Experiment with red, green and blue light
Try this online lab: (May require your computer to have Java and Adobe flash player.)
https://phet.colorado.edu/sims/html/color-vision/latest/color-vision_en.html
3) VIDEOS
How we see color– a TED Ed video
How bipolar cells work– a mini lecture (very optional)