- Calderas and craters can often be found together in volcanic areas. Describe what each feature is and when they can be seen together.
- How are geysers, fumaroles, and hot springs all related?
- It may seem surprising that there are different kinds of lava flows, but 'a'a and pahoehoe flows are quite different. Explain why (be sure you watch the 'a'a video).
- What do all these features have in common? How would you explain why volcanic formations are not all alike?
- Pick one of the features of volcanoes from this resource. Describe the geologic or chemical processes that resulted in this feature.