30 August 2018

Keeping a lid on the heat!

This week we looked at how boiling a pot of water creates great analogies for what different parts of volcanic and geothermal activity looks like and how it happens. The students observed what was happening at different times in the boiling process and compared that to volcanic activity. Some of the key things we discussed were: The interior of the earth is far hotter than the outside, steam creates pressure, and in some places the molten rock inside the earth can spill out.
In this experiment we did lots of observing, discussing, thinking, comparing, drawing representations,  explaining, predicting and critiquing the experiment.
We recorded our results and analogies in tables like the ones below.

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