1.Earth Science : 6.3Causes of Volcanic Eruptions2. Objectives:Describe the formation and movement of magma.Explain the relationship between volcanoes and plate tectonics.Summarize…

1. EARTH 2. History of Earth • Earth and the other planets in the Solar System formed 4.54 billion years ago. • About 535 million years ago there have been five mass…

Slide 1VOLCANISM Mount St. Helens, 1980 eruption Slide 2 Where are volcanoes located? Slide 3 Volcanoes are located over divergent plate boundaries (mid-oceanic ridges) Slide…

Slide 1 Calc-Alkaline Magmatism Francis, 2013 PacayaAgua Acatenango Slide 2 Calc-Alkaline Arc Magmatism Subduction-related calc-alkaline magmatism is the second most important…

Today⦠Just a quick review An exercise to think a bit about volcanoes and tectonics Warning systems Perhaps the lava flows video Results of the âvotingâ Tornadoes and…

MAGMA is molten rock, but is not just liquid - also contains bits of rock crystals and gas. It ranges in consistency from wet concrete to thick oatmeal. Rock that crystallizes…

Volcanoes and volcanism Goals To examine the relationship between magma composition, the kinds of volcanoes and volcanic processes that occur, and plate-tectonic setting.…

Hotspots Hotspots More than a trip south  Most of the world’s volcanism is associated with divergent and convergent plate boundaries. However there are sites of volcanism…

VENUS VENUS “Twin” or “Sister” planet of the earth  similar size, mass, density; interior should also be similar with iron core, mantle, crust But totally different…

AIM: Where are most volcanoes found and how do hot spots form? OBJ: Given notes and activity sheet SWBAT explain where most volcanoes are found and how hot spots form with…