Summary
Cameras and sensors get coded to notice things people miss, and the SciGirls learn how a lens captures light the same way an eye does.
Viewer safety
Ages 7+
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Teaching resources
Discussion questions
Discussion
Full episode (28 min) from SciGirls, season 5.
- How does light get from an object to a camera or an eye?
- What can a sensor detect that a person can't?
- What would you point a sensor at, and what would it record?
Quick work-a-long
Vocabulary: sensor, lens, reflect, detect.
Try it: Draw the path of light from a lamp to an object to your eye. Label each arrow.