Saturday, February 1 • 1:30pm - 2:30pm
How Did This Get Here?

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Students use stream-table models to observe that water moves earth materials from one location to another, adding another piece to the story about how soils form. They review the processes they saw in the stream table and sort a set of landforms cards into two categories: formed by erosion or formed by deposition. Students are introduced to processes that cause rapid changes to Earth’s surface: landslides, earthquakes, floods, and volcanoes and answer the following questions:
How do weathered rock pieces move from one place to another and become part of soil?
How do erosion and deposition create landforms?
What events can change Earth’s surface quickly?
3.1A, 3.2A, 3.2B, 3.2C, 3.2D, 3.2F, 3.3C, 3.4A, 3.4B, 3.6C, 3.7A, 3.7B, 3.7C


Saturday February 1, 2014 1:30pm - 2:30pm CST

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