Monday, October 26, 2009

Four Winds

Students enjoyed our second Four Winds session this afternoon. This year's theme is Earth and Environment, and there are lessons every month that center around this theme. So far, students have learned about the the sun and how it affects the earth, and today's topic was erosion and weathering. Each session begins with a puppet show (a student favorite) and then students break into smaller groups to do hands-on activities that relate to the day's topic.
Today, students experimented with dropping water from a baby bottle onto mounds of dirt and flour from different heights to see how rain can cause erosion. In the photos below, students observed how water in our rivers, oceans, and lakes affects rocks. In one jar, the rocks just sat in water, while the rocks in the other jar were shaken vigorously. Students saw how the jagged rocks would break into smaller pieces over time and eventually become smooth. Thank you, Kathy, for a great Four Winds session!

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