what is the difference between a hazard and a disaster?
Hazard: an extreme physical environment that has the potential to cause a disasterDisaster: any event natural/human that negatively affects people or property. Effects can be economic/ social/ physical 
What are the 5 layers of the Earth?
C.L.A.M-Ccrustlithosphereasthenospheremantleupper mantlelower mantlecoreouter coreinner core
what were the three super continents?name three contries they made up eachhow many yeas ago?
1.

Pangea, Laurasia, Gondwana2. L: North America, Europe, AsiaG: Southe America, Africa, Madagascar3. 225 Mil. yrs ago

What is the plate tectonics theory?
theory that the Earth’s surface is divided into a few large, thick plates that r continually moving The Major Plates:; Pacific, Antarctic, Euroasian, African, Indio-Australian, North American, South American
What is continental drift?
the widely accepted view that the continents of the Earth are slowly drifting across the surface of the globe
What is the effects on Aust.??
The Indian-Australian plate is being pushed north and is colliding with the Eurasian, Philippine and Pacific plates.

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– This causes stresses to build up in the interior of the plate which is released during earthquakes. Newcastle

what are three components of plate movements??
Drifting:;;;;;;;;;;;;;;;;;; plates drift apart;; eg: Collide:;;;;;;;;;;;;;;;;;;; plates grind past each other forming a fault: eg: San Andreas Fault ; California USA;;;;; ; Subduction:; plates slide under each other (heavier oceanic plate = subducted beneath lighter continental plate)
Where is the Pacific Ring of fire?
The “Ring of Fire” is an arc stretching from New Zealand, along the eastern edge of Asia, north across the Aleutian Islands of Alaska, and south along the coast of North and South America
what happens at the ring of fire?
Types of Activities that occur on the Rim – Volcano, Earthquake, Landslide, Avalanche, Tsunami Active places on the Rim = The Ring of Fire has over 75% of the world’s active and dormant volcanoes
Earthquakes
shaking of the ground caused by movement of the rock under Earth’s surface
Epicentre
surface point of the focus of an earthquake (above the surface)
Focus
the points where earthquakes begin (under the surface)
Luiqification
Violent shaking from an earthquake may make loosely packed sediments & soil behave like liquid.
Seismology
the science of the study of earthquakes: – measured by either:       Richter Scale = Strength/ Magnitude of quake at the time – objective  but no long term look (1 number =10x stronger)     Modified Mercalli Scale: Intensity = Effects / Damage – subjective – social, physical, economic