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Next match: cell phone versus microwave! A lesson in a larger physics playlist compares frequencies of cell phones and microwaves and their interactions. Experimenting reveals microwaves block cell tower signals but allow WiFi signals to get through.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Extend the investigation radio waves
- Create a number line showing the frequency of different electronic devices as notes
Classroom Considerations
- Expects background knowledge of wave frequency
- This video is hosted on YouTube
Pros
- Includes additional resources on similar topics
- Highlights scientific vocabulary throughout the lesson
Cons
- None