1. What causes
    1. earthquakes,
    2. tsunamis
    3. volcanoes
  2. Types of seismic waves
  3. Measuring and locating earthquakes.
  4. What is lava versus magma?
  5. Recognize main types of volcanoes.
  6. What are hotspots?
  7. Island arcs?
  8. What is the Pacific Ring of Fire?
  9. What causes thunderstorms and Lightning?
  10. What are the key features of hurricanes and tornados?
  11. What are cyclones, landslides and avalanches?
  12. How are storms tracked?