1. Volcano Diagram pyroclastic material
Volcano - a place where magma reaches the surface due to its lower density.
A “window” into the Earth’s interior
A constructive & destructive force, creating new crust and destroying it in explosive eruptions
vent
side vent
lava flow
magma chamber

2. Explosive Eruptions: Examples & Description
Mt. St. Helens (1980)
Mt. Redoubt, Alaska (1990)
Examples include volcanoes along the Ring of Fire
Briefly describe the eruption type
Pinatubo (1991)

3. Explosive Eruptions: What makes magma explosive?

4. Explosive Eruptions: Types of Pyroclastic Material
(also called cinders)

5. Explosive Eruptions: Why are pyroclastic flows so dangerous?

6. Nonexplosive Eruptions: Examples & Description
Examples include volcanoes in Hawaii and along the Mid-Atlantic Ridge
Briefly describe the eruption type

7. Nonexplosive Eruptions: Types of Lava

8. Types of Volcanoes: Shield Volcanoes
Describe (1) how it forms; (2) its shape; & (3) provide an example.

9. Types of Volcanoes: Cinder Cone Volcanoes
Describe (1) how it forms; (2) its shape; & (3) provide an example.

10. Types of Volcanoes: Composite Volcanoes
Describe (1) how it forms; (2) its shape; & (3) provide an example.

11. Volcanic Eruptions & Climate Change

12. Formation of Magma