![]() Next, instruct students to drag their map or use the search tool to view and click on the plate boundary that runs along the Andes Mountains in South America. Ask them to click on different plate boundaries to see summary graphs of the types of volcano/es that occur within 402 kilometers (250 miles) of each boundary. Have students turn on the Volcanoes map layer. Build Knowledge: Access a new interactive map layer provided to add to student knowledge of the location of volcanoes relative to plate boundaries. Ask: What do you generally notice about the terrain near the convergent boundaries? Divergent? Transform?Ĥ. Encourage them to notice the terrain of the land near the boundaries as they click on each type. ![]() Next, have students find and click on each of the boundary types (convergent, divergent, and transform) represented. Investigate: Utilize the interactive features of an online map to investigate and further familiarize students with the location of plate boundaries. ![]() Next ask: What are boundaries called where plates are stretching or drifting apart? What are boundaries called where plates are moving toward each other? What are boundaries called where plates are in a side-swipe collision? ģ. ![]() Then, use what you learned in the Plate Tectonics and Volcanic Activity article to lead a class discussion on how Earth’s crust moves and runs into, pull away from, or slides against other pieces of independent crust and how that creates or triggers volcanoes. Have students watch Plate Tectonics (5:47). Preset Activity: Familiarize students with tectonic plate boundaries and plate movements through viewing Plate Tectonics (5:47) then check for understanding. Prior to assigning it to students, watch the video Plate Tectonics (5:47).Ģ. ![]() If necessary, fill in their knowledge of volcanoes prior to introducing the volcano map layers with the article Plate Tectonics and Volcanic Activity. Teacher Materials Preparation: Watch both videos to familiarize yourself with the materials and to backfill any information needed for the activity. ![]()
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