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high school chemistry

Lowell Thomson's picture

Reflections on a (Virtual) Guest Speaker Visit to my Chemistry Class

Sat, 05/31/2014 - 22:57 -- Lowell Thomson

I've mentioned previously that my current grade 10 class is reading "The Case of the Frozen Addicts" together. As my students starting writing their blogs to respond to the reading, I saw quite a few questions that I couldn't answer. But I didn't want to leave the questions there with no response, so I went to Twitter to find scientists to join my class as a guest speaker.

Deanna Cullen's picture

How do you teach "entropy" to high school students?

Wed, 05/07/2014 - 11:49 -- Deanna Cullen

I was recently drawn to an article published ASAP in JCE entitled Application of the Second Law of Thermodynamics To Explain the Working of Toys. Erick Castellon wrote the article highlighting the use of three toys that are used to help students develop an understanding of the second law of thermodynamics and entropy by having them observe the working of the toys and the energy transfers that occur while playing with them. I already had two of the toys, the radiometer and the drinking bird. I ordered the stirling engine from the link provided in the supporting information. As I waited for the stirling engine to arrive from Japan (which was only a few days) I attempted to write an activity to guide my students to conceptual understanding as they worked with the toys.

Deanna Cullen's picture

Ice Cream in a Bag

Mon, 04/28/2014 - 13:10 -- Deanna Cullen
ice cream ingredients

A quick google search will allow you to find many laboratory activities for making ice cream in chemistry class. Some of the links provide questions to incorporate into the activity. I have used several over the years and will share my modified version here.

Time required: 

45 minutes

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