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Earthquakes Pangea • A supercontinent from around 300 million years ago. • This is a theory that scientists can’t prove but they have lots of evidence Evidence Evidence examples: Continents fit together like a puzzle. The same fossils have been found on different continents. Are earthquakes constructive? • Earthquakes can form mountains and other landforms Are Earthquakes Destructive? • Earthquakes can destroy the land and bring buildings tumbling down. • Earthquakes can cause volcanoes to erupt and tsunamis to happen What is an Earthquake? • Earthquakes are the sudden release of energy as the Earth’s plates move. • http://video.nationalgeographic. com/video/inside-earthquake • http://video.nationalgeographic. com/video/news/wildchronicles/panda-quakewcvin?source=relatedvideo What is an Earthquake? • An earthquake often happens near a fault which is a break in the Earth’s crust. • Earthquakes magnitude are measured using a Richter Scale. 1-10 Tsunamis • Earthquakes can cause tsunamis to happen. • Tsunamis are a series of enormous waves created by an underwater disturbance. • Brainpop Types of plates video- http://youtu.be/dkELENdZukI Divergent boundary- occurs when two plates move apart (divide) Convergent boundary- occurs when two plates are pushed together (collide) Transform boundary- occurs when two plates slide against each other