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Introducing Earthquakes

Introducing Earthquakes. AMSTI: Lesson 10. Lesson 10 Vocabulary. Earthquake - the shaking & vibrating of the earth Aftershock -an earthquake that happens after a main earthquake Crust -the outermost layer of the earth

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Introducing Earthquakes

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  1. Introducing Earthquakes AMSTI: Lesson 10

  2. Lesson 10 Vocabulary • Earthquake- the shaking & vibrating of the earth • Aftershock-an earthquake that happens after a main earthquake • Crust-the outermost layer of the earth • Fault-a fracture (crack) of the earth’s crust where there has already been some movement

  3. Lesson 10 Vocabulary • Mantle- a layer of the earth that lies beneath the crust • Lithosphere- the cool, solid outer shell of the earth consisting of the crust and uppermost part of the mantle • Plate- a large, mobile segment of the earth’s lithosphere • Plate Boundary- a place where pieces of broken lithosphere meet

  4. Lesson 10 Vocabulary • Seismologist- a scientist who studies earthquakes • Precursor- something that helps scientists predict when an earthquake might occur • Richter Scale- measures the magnitude or strength of earthquakes • Mercalli Scale- describes the intensity of earthquake damage to buildings & other structures

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