Monthly Archives: December 2013

Day 73 – How a Refrigerator Works

Wed Dec. 18, 2013 Chemistry 1 – First we took a quiz on Energy Bar Graphs.  Students then used the NOVA website Anatomy of a Refrigerator to study a real life application of energy flow.  I have them answer a few … Continue reading

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Day 72 – Energy Bar Graphs Peer Review

Tues Dec. 17, 2013 Chemistry 1 – We continued to practice using Energy Bar Graphs to model situations of temperature and state changes in a system.  Since I felt most students and groups were “getting it” we didn’t do regular … Continue reading

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Day 71 – Shoeless Joe Physics

Mon. Dec 16, 2013 Chemistry 1 – We worked on various Energy change situations today.  Above is an example of a problem that has a tray of water at 20 degrees C placed in the freezer and turns into ice … Continue reading

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Day 70 – Intro to Energy Bar Graphs

Fri. Dec 13, 2013 Chemistry 1 – Earlier this week we looked at boiling, melting, and freezing of water individually.  Today we put it all together into one big Temp vs. Time graph.  In class I showed and how to … Continue reading

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Day 69 – Quantitative Force Analysis

Thurs. Dec 12, 2013 Chemistry 1 –  We finished answering conclusion questions about the Boiling Water and Freezing and Melting Labs.  I then began introducing Energy Bar Graphs and the energy “categories” we use in Chemistry.  Eth = Thermal, Ei … Continue reading

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Day 68 – Analyzing Freezing and Melting Water

Wed. Dec 11, 2013 Chemistry 1 – Groups made whiteboards that showed their temperature vs. time graph for when they first froze water and then when it melted again.  They also answered what energy’s role in these processes was.  The … Continue reading

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Day 66 – Gravitational Force Lab

Mon. Dec 9, 2013 Chemistry 1 – Groups whiteboarded their results from the Boiling Water Lab.  On their boards they included a sketch of their graph, including the slope of the rising temperature line and average value of the boiling … Continue reading

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