Science Sampler: My glass of water has “circulating streams” in it! by: Karthigeyan Subramaniam

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The use of science stations in the classroom is a good way to integrate investigative skills and the teaching of science content. The author uses two different types of science stations within the 5E learning cycle (Bybee et al., 1989) to teach the topic of convection currents—a Learning Station and Student-Group Stations. Using examples of convection currents that occur in the real world (land breezes and in refrigerators) and easily available science equipment (plastic beakers and nonmercury thermometers) and materials (ice cubes), students work cooperatively to learn how convection currents are also at work cooling a glass of water with ice cubes.

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  • on Wed Dec 08, 2010 8:10 PM

The article uses ice melting in cold water and hot water as an investigation to provide students with a model of convection currents. Students then bridge the concept learned in the simple investigation to explain other phenomena such as, "Why does the shower curtain push inward when I am taking a hot shower?" An rubric is provided. I appreciate the way the rubric is written because you can discern levels of learning. We are working towards standards based grading using Marzano's research. Sometimes, I just don't see the learning levels and always am looking for help.

Susan German  (Hallsville, MO)
Susan German (Hallsville, MO)

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