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Earthquakes & Volcanoes! PowerPoint Presentation
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Earthquakes & Volcanoes!

Earthquakes & Volcanoes!

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Earthquakes & Volcanoes!

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  1. Earthquakes & Volcanoes! Trivia

  2. Earthquakes • What do you call a crack or fracture in the Earth’s crust?

  3. Earthquakes • What do you call a crack or fracture in the Earth’s crust? • A Fault

  4. Earthquakes • Most earthquakes occur along _______ _____________. (2 words)

  5. Earthquakes • Most earthquakes occur along _______ _____________. (2 words) Plate Boundaries

  6. Earthquakes • These are small earthquakes that occur after a major earthquake

  7. Earthquakes • These are small earthquakes that occur after a major earthquake Aftershocks

  8. Earthquakes • Vibrations caused by earthquakes are also known as _________ _________.

  9. Earthquakes • Vibrations caused by earthquakes are also known as _________ _________. Seismic Waves

  10. Earthquakes • List the 3 types of seismic waves caused by earthquakes.

  11. Earthquakes • List the 3 types of seismic waves caused by earthquakes. Primary waves, secondary waves, surface waves

  12. Earthquakes • Which type of seismic wave causes the most damage? • Primary waves • Secondary waves • Surface waves

  13. Earthquakes • Which type of seismic wave causes the most damage? • Primary waves • Secondary waves • Surface waves

  14. Earthquakes • Which type of seismic wave travels the fastest? • Primary waves • Secondary waves • Surface waves

  15. Earthquakes • Which type of seismic wave travels the fastest? • Primary waves • Secondary waves • Surface waves

  16. Earthquakes • What is the point underground called where movement first starts as an earthquake?

  17. Earthquakes • What is the point underground called where movement first starts as an earthquake? Focus

  18. Earthquakes • A water wave caused by an earthquake, volcanic eruption, or landslide is called ___________.

  19. Earthquakes • A water wave caused by an earthquake, volcanic eruption, or landslide is called tsunami.

  20. Earthquakes • What do scientists locate using seismographs? • Liquefaction • Stress • Epicenters • Aftershocks

  21. Earthquakes • What do scientists locate using seismographs? • Liquefaction • Stress • Epicenters • Aftershocks

  22. This is another word for an opening in Earth’s crust through which molten rock, rock fragments, and hot gases erupt

  23. Volcanoes • This is another word for an opening in Earth’s crust through which molten rock, rock fragments, and hot gases erupt Volcano

  24. Volcanoes • Molten rock beneath earth’s surface is known as _____________. While molten rock that has reached earth’s surface is called _______________.

  25. Volcanoes • Molten rock beneath earth’s surface is known as magma. While molten rock that has reached earth’s surface is called lava.

  26. Volcanoes • The space beneath a volcano where magma collects is called the ________ __________. (2 words)

  27. Volcanoes • The space beneath a volcano where magma collects is called the magma chamber.

  28. Volcanoes • Pieces of rock formed from sticky lava are called ____________.

  29. Volcanoes • Pieces of rock formed from sticky lava are called tephra