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Science Quiz 6/7

Science 9, Quiz 6/7

QuestionAnswer
What are the 4 stages of development of a hurricane? Tropical disturbance, tropical depression, tropical storm, hurricane
What sustained speed must a tropical storm's winds reach for the storm to be reclassified as a hurricane? 74mph
What is the term for the elevated water levels that accompany a hurricane? Storm surge
What does a barometer measure? Atmospheric pressure
What is relative humidity? The ratio of the amount of moisture in the air to the maximum amount the air could hold under the same conditions
What instrument is used to measure relative humidity? Hygrometer
What instrument is used to measure the speed of surface winds? Anemometer
What device uses radio waves to detect distant objects or precipitation and measure its distance? Radar
What does the acronym radar stand for? Radio detection and ranging
What special form of radar can be used to measure the speed of distant winds? Doppler radar
What is humidity? The amount of water vapor present in the air
What do we call the study of the earth's oceans, seas and their basins? Oceanography
What is the most common substance dissolved in the sea? Sodium chloride (table salt)
What term refers to the amount of dissolved solids in seawater? Salinity
What is the name of the boundary where cold, deep water meets the sun-warmed water near the surface? Thermocline
What 2 main factors affect the density of seawater? Temperature and salinity
What is a huge chunk of floating ice that breaks off a glacier? Iceberg
What do we call the edge of a glacier that floats overe the surface of the ocean? Ice shelf
Which type of icebergs tend to be peaked and jagged? Arctic icebergs
Which type of icebergs are typically straight-sided and flat-topped? Antarctic icebergs
What percentage of the mass of floating icebergs is exposed above sea level? 10%
Created by: Snyderpartyof7
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