Plate Tectonics
What are plate tectonics?
movement of plates.
pressure building up underneath earth's crust.
What is Viscosity?
The measurment of a liquids tendency to flow.
What are boundries, faults, stress and an example of each?
Divergent, convergent, transform
normal, reverse, stress
Tension, compression, shearing
great rift Valley, himalayas, san andreas
What is Continental Drift?
The idea that continents are drifting apart slowly.
How does it work?
Subduction
What is lava?
What is magma?
Lava is above ground magma.
Magma is underground lava.
They are both molten rock.
How does viscosity relate to volcanoes?
what factors determine how much destruction an earthquake will cause?
construction, population, duration of earthquake, size of earthquake, building size
What evidence do we have of continental drift?
The continents fit together like a puzzle which means they were all one big continent.
How does subduction work?
the oceanic plate is denser than the continental plate
What are the four types of volcanoes?
Shield, cinder cone, composite, supervolcano
What are two things that affect viscosity?
1. Levels of silica
2. Water levels
what are the three types of scales to measure earthquakes?
Mercalli, Richter, Moment Magnitude
what was the big puzzle continent called?
HINT: it ends with A
PANGEA
what does it affect?
the continents
what type of lava do shield volcanoes have?
very runny basaltic lava
Example of high viscosity.
what other natural disatures can earthquakes cause?
VOLCANOES!
TSUNAMIS!
What is the Mechanism?
Plate tectonics
what are plates made out of?
continental and oceanic lithosphere
Mount Vesuvious
Water, vinegar
what can u do 2 protect ur house from a volcano?
bolt stuff to wall, don't put heavy things on top shelves, don't put bed near window.
Who came up with it?
YOU MUST PRONOUNCE IT CORRECTLY OR INCORRECT