Heat conduction

The week started off with a heat and temperature video done in 1980 by Ontario TV in Canada that still does a nice job of covering the difference between heat and temperature for an ESL audience. The video tape is apparently no longer available, but the video lives on in YouTube space, at least episode 20 and 21. A search for the other videos we watch (16 to 21 inclusive) can be done to find the rest.

Wednesday I covered movement of heat in liquids (convection), movement of heat in solids (conduction), and movement of heat as electromagnetic radiation. I then did a series of demonstrations of temperatures, including my own. As usual the room temperature was 28 Celsius.

Senioreen watches for temperature rise in laboratory six

Laboratory six had the students exploring conductivity of heat and then presenting chart choices to the class.

Larry being authoritative. 

Maria-Asuncion presents her group's chart choice

Sepe Valton Palsis presented with her usual style and flair

Roselino and Hyrum settled on a column chart with a third column that showed the change in temperature

Bireen presented a more traditional two column chart solution (start and maximum temperature)

Gayle, working in the afternoon, shows a two column solution

Frauleen explains an xy scattergraph solution where the start temperature is the x-coordinate and the maximum temperature is the y-coordinate. A line of equal start and max temperatures denotes insulators. Distance from that equal temperature change is proportional to conductivity, at least theoretically.


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