Скачать или смотреть The Water Cycle | How To Make A Closed System

For the past four billion years, the water on this planet has remained the same. It's been recycled: evaporating from the seas and oceans, forming clouds and finally precipitating out as rain or snow. We recreated a simple closed system to show the water cycle. Using a clear glass bottle, soil and some seeds, we recreated a simply closed system. While we did see a fair amount of condensation, it was hard to really observe the whole water cycle with a basic project like this. To see our other projects for our Ocean Main Lesson block and to see the progress of the project, check out the blog post that accompanies this video:
https://www.pepperandpine.com/ocean-m...

This project is from the book Rivers and Oceans by Barbara Taylor by Kingfisher publications.

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