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Learning Objective: To be able to explain the causes of volcanic eruptions and earthquakes Title: What causes earthquakes and volcanoes? Lesson Starter: group the words below into categories. Words can go into more than one group. Come up with a reason for grouping them together Volcano Earthquake Lava Magma Shield Volcano Plate margin After shock Richter Scale Pyroclastic flow Volcanic bombs Crust Magnitude Fault Focus Strato Volcano Tremor Ash Magma Chamber Eruption Seismic isolator Plate margins – Recap Main plate margins: •Destructive •Collision •Conservative •Constructive
