| To Do |
To Answer |
| Read about plate boundaries |
- What are the main types of plate boundaries? What are the characteristics of each?
- What is a subduction zone?
- What is a trench?
- Why are there so many earthquakes and volcanoes around Ring of Fire?
- What type of boundary shows the concept of seafloor spreading that we explored in the last session?
- Sketch a drawing of each type of plate boundary and label the parts.
- How fast do plates move?
- Describe the technologies used to measure plate movement.
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| Explore this interactive diagram |
- Give an example of where each kind of boundary can be found.
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| Try this activity to model plate boundaries |
- How did this activity model plate boundaries?
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| Read about Island Arcs and Hotspots |
- What are "island arcs"?
- How do the Hawaiian Islands and other volcanoes that form in the interior of plates fit into the plate-tectonics picture?
- Click on the "Prominent world hotspots" map. Are most hotspots found on a plate boundary or away from a plate boundary?
- Yellowstone is a well known Hotspot. How did it form? How many eruptions of Yellowstone have been cataloged? Is Yellowstone still an active hotspot?
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