Explain that the land and the oceans are the top parts of the tectonic plates. When the tectonic plates rub against each other, they form volcanoes. Then poke a hole in the foil and pull a bit of cloth up through it. Explain that when a volcano erupts, the magma from the mantle breaks through the surface crust. Develop understanding of characteristics.
Fire Let students play geography detectives to find volcanoes throughout the world.
Using maps of the following areas, have students find the volcanoes mentioned in Volcanoes. Mount Ngauruhoe 3. Volcanic Math Help students calculate how far your classroom is from Mount St. Helens. Distribute copies of a map of the United States, on which you've highlighted Mt. St. Helens. The map should also include state names, major cities, rivers, mountain ranges 2.