Vocabulary 1
Name the first layer of Earth. (on Earth's surface)
crust
lava is on the surface
The name of the region around the pacific ocean
The Ring of Fire
What is a number that geologist assign to an earthquake based on the earthquakes strength?
magnitude
What causes the magma to move upward?
Expanding gases
Choose the correct answer: The plates of Earth's crust and mantle can NOT usually move...
a)toward each other b) away from each other
c)very slowly d)Very quickly
very quickly
Which type of waves produced by an earthquake roll the ground like a wave and cause the most severe ground movements?
surface waves
Which earthquake scale measured TOTAL energy of an earthquake?
Moment Magnitude Scale
True or False: Volcanoes can form above subduction zones.
TURE
A volcano that will never erupt again is said to be....
The crust is broken into pieces called...
tectonic plates
Which type of volcano is like a sleeping bear?
dormant
What type of ground movement does a tilt meter measure?
Vertical
Most of the magma from a volcano comes out through an opening at the top called a...
vent
mountains & volcanoes
What type of volcano is the one found on the Hawaiian islands?
A hot spot volcano