1. Getting Started (2:53m)
Teacher: Christine Fairless
The teacher motivates students by probing for previous knowledge and showing a video clip of Antarctica.
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2. Teacher/Student Discussion (4:21m)
Students have previously designed research stations, and now reflect on the cost of heating their building.
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3. Student Activity (4:26m)
Students interpret the graph of the building cost vs. the heating cost projected over a ten-year period.
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4. Student Dialogue (2:45m)
Students dialogue to compare their work and discover differences. The teacher leads students to describe the relationship.
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5. Student Work (6:31m)
Using computers, students enter data and choose the highest R-value of insulation that best keeps cost down.
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6. Students Present (3:09m)
Groups present their graphs and demonstrate their reasoning for recommending a certain R-value insulation.
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