EOSC 114 Exam Questions and Answers Latest Update Graded A+
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Module
EOSC 114
Institution
EOSC 114
EOSC 114 Exam Questions and Answers Latest Update Graded A+
Standard Units for
Time
Distance
Mass
Density
Order of Mag. - Answers Time - Seconds
Distance - Meters
Mass - Kilogram
Density - kg/m-3
Order of Magnitude - Power of 10. (A order of magnitude is 10x bigger, two orders is 100x bi...
Earthquakes - Richter, Modified Mercalli, Moment Magnitude
Volcano - Volcano Explosivity Index
Ocean
Wind and Waves - Beaufort
Hurricanes - Saffir Simpson
Atmosphere
,Intensity of precipitation - dBZ (rain rate over an area)
Tornadoes - Enhanced Fujita, Torro
Space
Torino - Meteors
Trend between intensity and frquency?
What is Return Period? - Answers More intense disasters occur less frequently.
Average time between two disasters of the same magnitude
Phases of matter? - Answers Solid - Not fluid, not compressible
Liquid - Fluid, not compressible
Gas- Very fluid, very compressible
Crystal structures? Types? Cleavage? - Answers These have regular lattice structures and have cleavage.
These are directions of weakness along the weakest bonds.
Three Shapes - Cubic, Octahedral, Hexagonal column with pyramid (pencil)
Properties of Matter - Answers Compressiblity - Whether it can be squeezed or expanded (changes
density)
Fluidity - Ability to flow
Viscosity - Resistance to flow or change of shape (Low V = Air)
Strain - Deformation of a object. Elastic = Deforms but springs back. Plastic = Permanently deforms.
Ductile - Very plastic
Brittle - Not plastic
EQazns for
Force
Gravity
Potential Energy
KE
Sensible Heat
, Latent Heat
Power
Pressure
Stress - Answers Force (N) = Mass * Acceleration (kg/m^2)
Gravity = 9.8m/s^2
Work (J) = Force * Distance
Potential Energy = g * mass * height
KE = ½ * mv^2
Sensible Heat (Heat that can be sensed/felt) = mCΔT
Latent Heat (Heat that is stored) = LΔm
Power(J/s or Watts) = Work/ Time
Pressure (pascals/Pa)- Force/ Unit of SA perpendicular to surface
Stress (pascals. Stress strains objects)- Force/ Unit of SA parallel to surface
Energy and its types - Answers Originates from nuclear, solar or gravity
Energy can change forms and is always conserved
Can be concentrated in terms of time or area.
DIFFUSE -WEAK OVER AREA
GRADUAL - WEAK OVERTIME
Wave types - Answers Transverse - Particle movement is perpendicular to wave direction
Longitudinal - Particle movement is parallel to wave direction
Frequency - Answers # Waves passing a point in given time
Period - Answers Time between two crests
Waves vs Turbulence - Answers Waves only move energy
Turbulence moves energy and matter
Population
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