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Most of the water on Earth is found in our oceans; however, humans cannot survive on salt water. Instead, we need freshwater. So, what is freshwater and where does it come from? This is the focus of a video that discusses the differences between freshwater and saltwater.
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Instructional Ideas
- Promote discussions in the classroom by asking questions like: How do ocean fish drink water? Can ocean fish drink saltwater?
Classroom Considerations
- The fifth in a series of 13 videos that discuss ecosystems and the flow of energy
- Concepts from the previous videos are reviewed at the beginning of the episode
- This video is hosted on YouTube
Pros
- Designed for Next Generation Science Standards
Cons
- None