Which tectonic plate boundary has a subduction zone?
Convergent
Normal
Divergent
Transform
What is a break in the Earths crust?
Fault
Deformation
Elastic rebound
Mountain
What plate motion happens when two plates slip past eachother?
Transform
Convergent
Divergent
Which wave can travel through solids, liquids and gases?
P waves
S waves
Where is the "Mass Damper" put on the building?
Base
Roof
Between floors
The last siesmic wave to arrive is....
Body waves
S waves
Surface waves
P waves
Strongest earthquakes occur near what boundary?
Divergent
Convergent
Transform
Normal
Volcanos form from...
Magma
Gas
Sticks
Which lava flows slowly and has rounded wrinkles?
Aa
Pillow lava
Pahoehoe
Blocky lava
Which type of pyroclastic material is like glass-like slivers?
Lapilli
Volcanic Ash
Volcanic Bombs
Volcanic Blocks
Which type of volcano has steeper slopes, and a narrower base?
Composite
Shield
Cinder cone
What can volcanic ash cause?
Warmer temperatures
Lower temperature
Darker skies
Mt. St. Helens eruption was...
Nonexplosive
Producing lava
Explosive
Producing pyroclastic material
The instrument you use to determine slope is the...
Seismograph
Satellite
Tiltmeter
What is the point inside the Earth where an EQ begins?
Focus
Epicenter
Seismogram
The safest thing to do when you are in a building and an EQ happens is....
Run into street
Crouch down
Call home
Seismic waves are recorded using..
Seismogram
Telegraph
Energy is released when _____ occurs.
Deformation
Elastic rebound
Seismic waves
Seismologist can do all of the following except..
Decrease its strength
Find where it started
Learn about the Earths interior
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