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Lesson Planet
Cornstarch and water on a speaker have a pretty cool effect. Beyond the coolness is a scientific analysis of amplitude and frequency. A video examines the patterns in the mixture when exposed to different frequencies in a video lesson. The mixture tells a story about the invisible sound waves.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Follow the lesson with an experiment to verify results
- Ask learners to brainstorm an explanation for the observations made in the video
Classroom Considerations
- Expects an understanding of frequency and amplitude
- This video is hosted on YouTube
Pros
- Includes subtitles in multiple languages to support English learners
- Encourages higher order thinking processes
Cons
- None