Explain: This week we look at the atmosphere. In some ways the atmosphere seems simple, a "thin" layer of air. But, the more I learn, the more I realize it is much more complex and often misunderstood.
This summer I had the opportunity to attend a conference for polar science researchers. The atmosphere was a topic that filled many sessions. Especially in the arctic and antarctic, the atmosphere is a subject of great concern with new knowledge surfacing regularly.
Extend: Two ideas:
1. Phase changes and the idea of latent heat are key topics in the lake ice unit I teach. See ALISON link from Week 5. It is a tricky subject for kids to "get" ... absorbing energy without a change in temperature. Thanks for the ideas.
2. I am also involved in a program based out of the University of Montana called Air Toxics Under the North Star. It is an extension of a similar program called Air Toxics Under the Big Sky. The program has students collect particulate matter data with a machine called the DustTrak. The students design their own inquiry project and present their results to other students and adults. The items in this week's module will be useful in this project.
Evaluate: No complaints. Great resource for students and teachers, again.
I love the 24 hour clock showing the history of the Earth! You are doing great blogs. (Tim)
You have some great cultural connections. I hope that someday I'll have such a wealth of knowledge to pull from! (Lila)
Thanks for sharing your memories from childhood and college days. It makes your blog fun and easy to read. (Carolyn)
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