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Understanding Energy in Earthquakes: A Deep Dive into Types and Transformations

This exploration addresses the pivotal question of how much energy is released during an earthquake. Energy, defined as the capacity to perform work, can take various forms including chemical, mechanical, nuclear, and kinetic energy. Central to this discussion is the Law of Conservation of Energy, which states that energy cannot be created or destroyed, only transformed. By examining energy types and their conversions, as well as the efficiencies of renewable sources, we uncover startling facts about the power and impact of seismic activities on our planet.

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Understanding Energy in Earthquakes: A Deep Dive into Types and Transformations

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Presentation Transcript

  1. Our BIG question: HOW MUCH ENERGY IS IN AN EARTHQUAKE ?

  2. Energy • The capacity to do work • Or the ability to make change • Work: the result of a force acting on a distance The Joule The unit for both work and energy. (named after James Prescott Joule)

  3. Forms of Energy • radiant (light) energy • chemical energy • mechanical energy • nuclear energy • electrical energy • heat (thermal) energy • energy of sound • Kinetic energy

  4. Types of Energy • Not to be confused with forms of energy! • Kinetic Energy energy associated with motion.  • Potential Energy stored energy. 

  5. Potential or Kinetic? • radiant (light) energy • chemical energy • mechanical energy • nuclear energy • Gravitational energy • electrical energy • heat (thermal) energy • energy of sound • Kinetic • Potential • Kinetic • Potential • Potential • Kinetic • Kinetic • Kinetic

  6. What energy conversions are taking place in terms of the woman? What types of energies does she have?

  7. What is the most important concept in physics…perhaps?

  8. Law of Conservation of Energy

  9. Law of Conservation of Energy • energy can change form, but it cannot be created or destroyed. • That means the total amount of energy stays the same. 

  10. What powers you to write all this stuff down?

  11. Law of Conservation of Energy • energy can change form, but it cannot be created or destroyed. • That means the total amount of energy stays the same. 

  12. Examples of Energy Transformations

  13. Efficiency • How much of the energy input goes into doing useful work. Which of these light bulbs is more efficient?

  14. What does it mean for a car to be efficient?

  15. Renewable Energies • Solar • Hydro • Geothermal • Wind • Advantages of Renewable energy • It can be used without depleting it • No to minimal greenhouse gas emissions • Disadvantages • Expensive – initial investment is high • Difficult to generate quantities of energy equal to traditional forms • Reliability of supply can be unpredictable

  16. rollercoaster

  17. Rube-Goldberg machines ok GO honda commercial

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