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Atmospheric pressure in the center of a tropical cyclone is______: Very low because of rising warm air
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A tropical storm becomes a hurricane and forms an “eye” when wind speeds exceed ______ miles per hour: 74
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Which of the following factors are used to rate the intensity of a hurricane? Barometric pressure, Wind speed, Storm surge
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In most hurricanes extensive death and destruction are caused mainly by______: Storm surge, Inland flooding
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Which ocean does not commonly experience tropical cyclones? South Atlantic
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Common ocean waves are primarily caused by______: Wind energy transferred to water
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Heat transfer mechanisms associated with a burning log include_______: Conduction, Convection, Radiation
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Which chemical reaction best represents the fire equation? C6H12O6 +6O2 6CO2+6H2O+Released heat
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The process whereby wood degrades thermally, resulting in production of flammable hydrocarbons, is referred to as______: Pyrolysis
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The essential ingredients in any fire include______: Fuel source, Ignition (Heat), Oxygen
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The manner and rate at which fire spreads is a function of______: Topography, Wind direction and velocity, Fuel source
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The chief role of drought in wildfires is______: Drying out the fuel source
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Which of the following might help prevent home fires? Building with stone or some other inflammable material, Clearing foliage away from the home
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A firestorm refers to______: An unusually hot and voracious wildfire often accompanied by fire tornadoes
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Fire requires ______ to burn: Oxygen, Fuel, Heat
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The largest wave during a tsunami event is______: Unpredictable, it could be any
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The destructive powers of tsunami result mainly from their______: Momentum and long wavelength
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In the open ocean, tsunami can travel ______ miles per hour with wave height upto ______ feet: 500, 100
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Which event produces the biggest tsunami? Earthquake
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Powerful tsunami are most frequently produced by______: Earthquakes
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Over 90% of volcanic activity is associated with______: Plate-tectonic boundaries
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Hot spots under the continental lithosphere generally create ______ while those under oceanic lithosphere commonly create______: Calderas, Shield volcanoes
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The production of magma is favoured by an increase in ______ and ______, and a decrease in______: Pressure, Heat, Water content
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Weather and climate are driven by what source(s) of energy? Solar radiation
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The difference between weather and climate is______: Weather is a day-to-day phenomenon, climate is a long term average
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Warm air in the tropics rises because______: It is less dense
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Cold air sinks because______: It is more dense
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Air masses always move horizontally from______: High pressure to low pressure areas
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Air around low pressure zones (anticyclones) in the Northern Hemisphere_____: Spins clockwise