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Did you know your eyes can only focus to within about six inches in front of them? The video explains converging lenses, refraction, images, the difference in converging and diverging, focus, focal length, and ray diagrams.
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Concepts
Additional Tags
Instructional Ideas
- Bring in lenses and magnifying glasses for class members to use
Classroom Considerations
- Be aware that YouTube comments are open to the public and could contain inappropriate content
- Video best fits as a brief introduction to lenses
- Video is the 38th in a series of 49
- This video is hosted on YouTube
Pros
- Includes closed captioning and a full script
- Works well for visual learners
Cons
- None