1. Where do volcanoes form?
Along _____________________ plate boundaries
Along ocean ______________ (divergent ocean plates)
Long ___________ valleys (divergent continental plates)
Above ___________________

2. Are Volcanoes Destructive?
An eruption can…
Cause __________________
Cause earthquakes and _________________
Cause mudflows (______________)
Create ______________ and flooding
Contaminate _______________ and air
Can an Eruption be Predicted?
Volcanologists _________ successfully ______________some eruptions by monitoring ______________ activity, looking for changes in the surface, and monitoring volcanic ______________.

3. Anatomy of a Volcano

4. What is Magma? What is Lava?
Magma is molten rock __________________ Earth’s surface.
What is Lava?
Lava is molten rock _________________________Earth’s surface.

5. What is Lava
Lava is molten rock above Earth’s surface

6. Lava Types Pillow Lava Pahoehoe Lava A’a Lava Most abundant type.
Formed under water.
Second most
abundant type.
Formed by slow
Cooling lava.
Quick cooling, fast moving.