Review Earthquake and Volcano

The point on Earth's surface directly above an earth quake's starting point, or focus

• focus
• epicenter
• fault
• earthquake

What ingredient in magma determines whether a volcano eruption will be explosive or effusive?

• Amount of water

• Amount of heat

• Amount of silica

• Amount of air

Volcanoes are found at all of the following except

• Convergent boundaries

• Divergent boundaries

• Hotspots

• Transform boundaries

The majority of volcanoes are found at a ___

• Convergent boundaries

• Divergent boundaries

• Hotspots

• Transform boundaries

A ___ is found in the middle of a tectonic plate

• Convergent boundary

• Divergent boundary

• Hotspot

• Transform boundary

____ is a fluid's resistance to flow

• Inertia

• Flexion

• Torsion

• Viscosity

Molten rock BELOW the surface of the Earth is called __

• Lava

• Magma

• Sicilca

• Pahoyhoy

ALL of the material thrown into the air during a volcanic eruption is called ___

• Ash

• Pyroclastics

• Tephra

• Silica

The different types of volcanoes are based on __

• Differences in viscosity of magma

• Similarity in viscosity of magma

• Differences in the heat amount of the volcano

• Location of the vent in the volcano

The rapidly moving gaseous volcanic material is called ___

• Ash

• Tephra

• Pyroclastic flow

• Magma