Shared Flashcard Set

Details

Earthquakes and Volcanoes
N/A
30
Science
8th Grade
03/16/2012

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Cards

Term
Foot Wall
Definition
In a normal fault which part is above the other part? Foot Wall or Hanging Wall?
Term
Normal faults
Definition
A fault block mountain is land between what two faults?
Term
Below
Definition
A focus is where an earthquake occurs above or below the Earth's crust?
Term
P Waves
Definition
What seismic wave expands and contracts like an accordian?
Term
Mercalli scale
Definition
What scale tells how much earthquake damage was done to home or buildings?
Term
Seismograph
Definition
What measures ground movements caused by seismic waves?
Term
Side to side with little up or down motion
Definition
A strike slip fault moves what way?
Term
When stress between opposite sides of the fault are high.
Definition
How does folding in the crust occur?
Term
P Waves
Definition
What seismic waves can travel through liquids and solids?
Term
Moment magnitude scale
Definition
scaleWhat scale estimates the total energy released during an earthquake?
Term
Over hot spots
Definition
How did the Hawaiian Islands form?
Term
Silica
Definition
Viscosity of magma depends on temperature and _____________.
Term
Explosive
Definition
Magma high in silica can cause what type of eruption? Explosive or quiet?
Term
Pahoehoe
Definition
What type of lava flow (aa or pahoehoe) is fast moving?
Term
Strike-slip
Definition
What fault has rocks that move in opposite directions?
Term
Earthquake resistant building
Definition
A type of building that absorbs energy from seismic waves is called ____________.
Term
Reverse fault
Definition
What fault has the stress of compression and a hanging wall up; foot wall down?
Term
Flexible (able to bend and twist)
Definition
Buildings in earthquake zones should be built stronger and more _____________ than other buildings.
Term
Cinder cone volcano
Definition
What volcano is made of ash, cinders, and bombs?
Term
Silica
Definition
What helps to determine is magma will flow easily?
Term
Surface waves
Definition
What seismic wave travels on Earth's surface and rolls like ocean waves?
Term
Richter scale
Definition
What scale measures the strength of an earthquake based on seismic waves and movement of faults?
Term
S Waves
Definition
What seismic wave vibrates from side to side as well as up and down?
Term
Convergent
Definition
Mountains are caused by what kind of plate boundary?
Term
slower
Definition
Greater the viscosity of a liquid the _________ it flows.
Term
Explosive
Definition
A pyroclastic flow occurs during an explosive or quiet eruption?
Term
Pacific
Definition
The Ring of Fire is located near what ocean?
Term
Transform boundary; shearing
Definition
Name the boundary and stress that goes with a strike-slip fault.
Term

Divergent boundary; tension

Definition

Name the boundary and stress that goes with a normal fault.

Term
Convergent boundary; compression
Definition
Name the boundary and stress that goes with a reverse fault?
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