Tectonic Plates
Plate Boundaries
Continental Drift
Seismic Waves
Measuring Earthquakes
100
The plate labeled #2
What is the African Plate?
100
When continental and oceanic crust collides, they create this geologic formation.
What is a continental volcanic arc (Andes Mountains)?
100
Name the last super-continent to occur on our planet.
What is Pangaea?
100
The type of wave that causes the most damage to cities and buildings.
What are surface waves?
100
Intensity is a measure of this.
What is the degree of destruction caused by an earthquake?
200
The largest plate on our Earth's crust.
What is the Pacific?
200
Plates moving away from each other are called...
What are divergent boundaries?
200
The reason continental drift was initially opposed.
What is a lack of a mechanism?
200
The two types of body waves.
What are primary and secondary waves.
200
Intensity is measured using this scale.
What is the Modified Mercalli scale (I-X)?
300
The location where tectonic plates are recycled.
What are subduction zones?
300
The geologic formation made by a collision between two pieces of continental crust.
What is mountains?
300
Primary waves can travel through these media (choices: solid, liquid, or gas).
What are solids, liquids, and gases.
300
The magnitude of an earthquake is measured using this.
What is the Richter Scale (1-10)?
400
The location where new plate material is generated.
What is mid-ocean ridges?
400
Identify each of the three types of convergent boundaries.
What are Oceanic-Continental, Continental-Continental, and Oceanic-Oceanic?
400
The four (4) main pieces of evidence for continental drift.
What is rock formations, fossil evidence, ancient climates, and continental puzzle pieces?
400
Shaking motion is caused by this kind of wave.
What are secondary waves?
400
The two main areas of seismic activity.
Circum-Pacific and Alpine-Himalayan.
500
The smallest tectonic plate in our Earth's crust.
What is the Juan de Fuca plate?
500
Two oceanic crust collide to create this.
What is a volcanic island arc?
500
Where the oldest oceanic crust occurs.
What is at the border or subduction zones?
500
The amount of time (in seconds) between the arrival of the first p wave and the first s wave.
What is 4 seconds?
500
Intensity is a measure of this.
What is the degree of shaking at a given location, based on the recorded damage to buildings?