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Sometimes ice freezes with spikes growing out of the top. A brief video provides a scientific explanation for this. Then, it discusses the two different possible futures if ice didn't behave this way.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Attempt to create ice spikes in a freezer overnight
- Assign a creative writing task about what scholars think Earth would be like if ice sank instead of floated
Classroom Considerations
- Relies on prior knowledge of density
- This video is hosted on YouTube
Pros
- Includes subtitles in four languages for ease of note taking
- Details how to grow your own ice spikes
- Requires very little class time, so it makes a great supplement
Cons
- None