Science 100 Final
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | Both warm front and cold front.
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| The air masses that have the greatest influence on weather conditions in the central United States are ________. | show 🗑
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| Most severe thunderstorms that occur in the middle latitudes form along or ahead of cold fronts. | show 🗑
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| Precipitation associated with a cold front is usually more intense and shorter in duration than precipitation generated by a warm front. | show 🗑
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| In some parts of the world hurricanes are called typhoons or cyclones. | show 🗑
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| show | warm
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| Which of the following should have the steepest pressure gradient? | show 🗑
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| This air mass is the source of much of the moisture for precipitation in the central and eastern United States. | show 🗑
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| show | warm and dry
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| A tropical depression has stronger winds than a tropical storm. | show 🗑
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| When an area is experiencing several consecutive days of rather constant weather, it is probably ________. | show 🗑
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| As a result of global warming, a significant melting of glaciers is expected during the next century. | show 🗑
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| After the center of a mature wave cyclone passes, you should expect ________. | show 🗑
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| show | True
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| Surface cyclones are accompanied by divergence aloft. | show 🗑
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| show | northeast
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| When an active cold front overtakes a warm front ________. | show 🗑
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| Continental polar air masses seldom influence the weather south of the Great Lakes. | show 🗑
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| If an observer sees cirrus clouds, followed later by cirrostratus, and then altostratus, he or she is witnessing the approach of a ________ front. | show 🗑
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| Cold fronts usually move more slowly than warm fronts. | show 🗑
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| show | the impact of debris (meteoroids)
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| show | nebular hypothesis
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| show | hydrogen nuclei to helium nuclei
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| show | granules
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| The layer of the Sun that radiates most of the light that reaches Earth is called the ________. | show 🗑
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| Sunspots appear dark because they are cooler than the surrounding solar surface. | show 🗑
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| Of the terrestrial planets, Mercury exhibits the greatest extremes in surface temperatures. | show 🗑
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| Streams of protons and electrons emitted from the Sun produce ________. | show 🗑
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| ________ refers to the bright head of a comet. | show 🗑
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| During periods of high solar activity, huge cloudlike structures that appear as great arches extending from the Sun are often produced. These solar features are called ________. | show 🗑
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| The high surface temperatures of this planet have been attributed to the greenhouse effect. | show 🗑
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| Jupiter is the largest and most massive planet in the solar system. | show 🗑
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| show | chromosphere
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| Vast, circular to elliptical dark-colored, smooth areas of the Moon are known as ________. | show 🗑
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| The Martian polar caps are thought to be mainly frozen methane and ammonia. | show 🗑
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| Saturn's rings are clusters of relatively small, individual particles; the rings observed on Jupiter are violent storm clouds swirling above the polar regions of the planet. | show 🗑
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| show | True
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| An extreme example of the greenhouse effect is thought to be associated with an abundance of carbon dioxide in the Martian atmosphere. | show 🗑
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| The surface features of ________ are known only through satellite radar mapping. | show 🗑
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| The most conspicuous features on the surface of the Sun are dark areas called ________. | show 🗑
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| show | True
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| show | False
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| show | True
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| A star in which light cannot escape because of the immense gravitational pull at its surface is called a ________. | show 🗑
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| show | white dwarf
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| show | neutron stars
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| show | red
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| The greatest number of galaxies belong to the type known as elliptical galaxies. | show 🗑
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| show | black hole
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| show | the universe is expanding
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| Stars having the same surface temperature radiate the same amount of energy per unit area. | show 🗑
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| show | True
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| show | True
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| show | main-sequence star
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| Stars with a surface temperature 3000 K appear red in color. | show 🗑
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| The measure of a star's brightness is called its magnitude. | show 🗑
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| show | distance
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| One of the most common units used to express stellar distance is the ________. | show 🗑
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| The final stage in the evolution of a star like our Sun is a neutron star. | show 🗑
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| Which color stars have the highest surface temperature? | show 🗑
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| Which main-sequence stars are the most massive? | show 🗑
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| The final stage in the evolution of the most massive stars is a ________. | show 🗑
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| Most stars are in this stage of evolution. | show 🗑
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| The Sun belongs to this class of stars. | show 🗑
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| Stars spend most of their life span as main-sequence stars. | show 🗑
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| show | right
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| show | submergent
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| Neap tides occur about the time of the first quarter and third quarter phases of the Moon. | show 🗑
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| An isolated remnant of wave erosion is a ________. | show 🗑
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| show | False
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| show | all of these
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| Thermoclines in the ocean are best developed at ________. | show 🗑
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| show | pycnocline
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| show | neap
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| Which of the following is a tidal current? | show 🗑
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| show | False
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| The proportion of dissolved substances in seawater is expressed as 0/00, which is the same as ________. | show 🗑
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| show | called beach drift
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| show | False
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| show | False
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| show | False
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| show | equal to half the wavelength
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| The dissolved materials in seawater originate primarily from chemical weathering of rocks on the continents and from ________. | show 🗑
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| Salinity in the ocean is highest in regions where ________ is high and ________ is low. | show 🗑
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| Halite (sodium chloride) is the most abundant salt found in seawater. | show 🗑
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| show | wave-cut platform
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| The dissolved materials in seawater originate primarily from chemical weathering of rocks on the continents and from ________. | show 🗑
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| show | temperature
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| The horizontal distance separating successive wave crests is called the wave period. | show 🗑
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| show | True
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| show | equal to half the wavelength
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| show | False
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| show | right
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| show | True
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| Which of the following is designed to reduce shoreline erosion? | show 🗑
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| show | True
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| The movement of sand parallel to the shore ________. | show 🗑
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| Fetch refers to ________. | show 🗑
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| show | emergent
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| show | NaCl
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| show | True
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| show | warm
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| Chesapeake Bay and Delaware Bay are ________. | show 🗑
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| show | falling
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| show | True
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| The force that generates wind is ________. | show 🗑
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| Closely spaced isobars indicate high wind speeds. | show 🗑
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| show | False
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| show | 1013 mb
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| The Coriolis effect is strongest at the equator and diminishes in strength poleward. | show 🗑
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| A sea breeze usually originates during the ________. | show 🗑
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| Standard sea level pressure in inches of mercury is ________. | show 🗑
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| What is the technical name for a high pressure center? | show 🗑
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| In the Southern Hemisphere, the winds associated with a low pressure system blow ________. | show 🗑
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| show | False
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| A steep pressure gradient ________. | show 🗑
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| show | False
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| In the Northern Hemisphere, the winds associated with a low pressure system blow ________. | show 🗑
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| Most of the United States is situated in which zone of prevailing winds? | show 🗑
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| Upper air winds ________. | show 🗑
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| show | in winter
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| The subpolar low (polar front) is ________. | show 🗑
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| show | True
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