Volcanoes Earthquakes ch.14/15

Multiple Choice

What is the only plate boundary that you won't find volcanoes near?

• Convergent

• Transform

• Divergent

• Subduction

Open Ended

When an oceanic plate meets a continental plate, which plate will subduct (or go under)?

Multiple Choice

The two major belts or rings of volcanoes are found around...

• the Pacific and Atlantic oceans

• Antartica and Africa

• the Pacific and the Mediterranean oceans

• the Indian and Pacific oceans

Poll

Which volcanic belt is the largest?

• the Pacific belt

• the Mediterranean belt

Open Ended

Which Hawaiian island do you think is the youngest? oldest?

Open Ended

Reminder: What is the difference between magma and lava?

Multiple Choice

Magma travels up the ___ and exits the volcano through the ___.

• conduit, caldera

• magma chamber, vent

• vent, conduit

• conduit, vent

Multiple Choice

What is the name of the force between two plates that are touching?

• gravitational force

• frictional force

• seismic force

• earthquake force

Multiple Choice

Vibrations in the ground are called ____.

• earthquakes

• ground waves

• faults

• seismic waves

Multiple Choice

These are produced first; rocks move along in the same direction the wave does, like waves in a slinky.

• P-waves

• S-waves

• surface waves

• seismic waves

Open Ended

The slowest seismic waves are ___.

Open Ended

Why do you think shallow-focus earthquakes are the most damaging?

Multiple Choice

A small amount of earthquakes occur along the tops of ocean ridges. What type of boundary creates these ocean ridges?

• convergent- mountain building

• convergent- subduction

• divergent

• transform