Volcano Notes
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Station 1: Volcano Diagram
1. Volcano (definition) –
2. A ______________________ into the Earth’s interior.
3. Types of Forces - _____________________ & ___________________
4. Diagram (include labels) –
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Station 2: Explosive Eruptions (magma erupts as pyroclastic material)
5. Examples & description of explosive eruptions.
6. What makes magma explosive? (provide TWO ways)
7. What are the FOUR types of pyroclastic material (describe each and list by size)?
8. Why are pyroclastic flows so dangerous?
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Station 3: Nonexplosive Eruptions (magma erupts as lava flows)
9. Examples & description of nonexplosive eruptions.
10. Types of Lava: Which TWO types of lava flow slowly (high viscosity)?
11. Types of Lava: Which TWO types of lava flow more quickly (low viscosity)?
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Station 4: Types of Volcanoes
For each volcano type describe (1) how it forms; (2) its shape; & (3) provide an example.
12. Shield Volcanoes -
13. Cinder Cone Volcanoes -
14. Composite Volcanoes (Stratovolcanoes) -
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Station 5: Formation of Magma
15. Using the temperature and pressure graph, explain the relationship of temperature & pressure on the melting
point of a substance.
16. How does pressure cause rock to stay solid under high temperatures?
17. How does magma form in the mantle?
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Station 6: Volcanic Eruptions and Climate Change
18. Place the following events in order to show how a single volcanic eruption can cause starvation and disease
worldwide.
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Less sunlight reaches the earth.
There is a large scale volcanic eruption.
The earth experiences longer, harsher winters and wetter, milder summers.
The average global temperature drops.
Worldwide food shortages occur because of widespread crop failures.
Volcanic ash and sulfur-rich gases spread through the atmosphere.
19. What is the nickname associated with the 1815 eruption of Tambora? Why does it have this name?
20. Provide a recent example of a volcanic eruption that caused climate change. How much did it actually
change global climate?