Today we had an interesting discussion at our Internet Investigation time. Many friends have been trying to make illustrations that show wind, air or smoke. The kids were thinking about how air and the wind effect these things so that they do not always flow upward. I was also thinking about the journal topic friends chose yesterday: how are trains made? So we watched these two simple videos.
http://www.bing.com/videos/watch/video/diesel-engine-start-up/bce50fa7be5c2a6e928ebce50fa7be5c2a6e928e-417126351689?q=train%20smoke
http://www.bing.com/videos/watch/video/union-pacific-3985-with-maximum-smoke-in-hd/2121770959101b3f99a02121770959101b3f99a0-415700222994?q=train+smoke&FROM=LKVR5>1=LKVR5&FORM=LKVR6
The second video brought up the element of dissipation. They were talking about what happens to the smoke and how it looks lighter the farther it gets from the two pipes that the smoke is flowing from. They made the correlation with dissolving sugar into water. They also pointed out that the other air is mixing with the smoky air and that is why it is getting lighter.
I am always excited to hear how the kids explain how things work. They love the process of analyzing something and coming to their own new understandings. The kids teach each other so much!
I hope you had a lovely Friday, like we did! Thank you for sharing your children with me.
Love, Jennifer
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