Chapter 22 Test – Flashcards
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Which ancient astronomer developed a geocentric model of the universe explaining the observable motions of the planets
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Ptolemy
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Hipparchus was best known for his
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star catalog
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Aristotle concluded that Earth was round because
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it always casts a curved shadow during a lunar eclipse
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The geocentric model of the universe stated that
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Earth was the center of the universe
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One astronomical unit averages about
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150 million kilometers
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Using Tycho Brahe's data, which scientist proposed the three laws of planetary motion?
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kepler
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The first early astronomer to propose a sun centered solar system was
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Copernicus
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What is the shape of a planet's orbit?
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elliptical
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Which law states that each planet revolves so that an imaginary line connecting it to the sun sweeps over equal areas in equal time intervals?
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the second law of planetary motion
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Which scientist determined the nature of he forces that keep the planets in their orbits?
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Newton
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The true shape of planetary orbits was discovered by
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Kepler
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Which of the following was NOT discovered by Galileo?
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the two moons of Mars
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According to the third law of planetary motion,the period of revolution of a planet is related ot the planet's
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distance to the sun
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The moons period of revolution is 27 1/3 days, and its period of ration is
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same number
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The length of daylight on the moon is about
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two weeks
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The total number of eclipses each year does not exceed
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7
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Druing the period that the moons phases are changing from new to full, the moon is
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waxing
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What occurs when the moon casts its shadow on Earth
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solar eclipse
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Deep steep sided valleys that originate on the continental slope and may extend to the ocean basin floor are calle
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submarine canyons
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What technology do scientists use to measure ocean depth?
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sonar
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Differences in ocean surface height can be measured by
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satellites
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Which of the following is NOT one of the three major regions of the ocean floor?
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coastal plain
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Which of the following is NOT associated with upwelling
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horizontal water movements
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What is NOT true about radiation?
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it needs a medium throught which to travel
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Which gas is most important for understanding atmospheric processes
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water vapor
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Isotherms are lines that connect points of equal
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temperature
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The heating of the lower layer of the atmosphere from radiation absorbed by certain heat absorbing gases is called
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the greenhouse effect
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The Koppen Classification System was developed in the 1900s by a german botanist and climatologist
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true
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ithout Earths rotation there would only exist two convection cells pulling cold dense air towards the equator
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true
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The rain shadow effect is associated with
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mountains
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temperature decreases with elevation by an average of how many degrees per 1000 meters?
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6.5
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A very small tilt in Earths axis would likely cause
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small seasonal variations in temperature
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What phenomenon naturally warms Earhs lower atmosphere and surface?
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the greenhouse effet
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What is the relationship etween fossil fuels and the greenhouse effect
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burning fossil fuels releases carbon dioxide into the atmosphere
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Which of the following is an example of human inmpact on climate changes
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global warming
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Which type of spectrum is associated with the radiation of most stars?
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absorption spectrum
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The thin red rim seen around the sun druing a total solar eclipse is called the
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chromosphere
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By observing sunspots,Galileo concluded that the sun
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ratated on its axis
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The product of nuclear fusion is
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helium
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The sun can cntnue to exist in its present stalble state for about another
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5.5 billion years
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Stars of which color have the highest surface temperature
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blue
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Stars of which color have the coolest surface?
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yello
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The measure of a stars brightness is called its
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intensity
