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50 terms

Chapter 22 Science Test

What is true about ring satellites?
They consist of concentrations of particles generally smaller than 10 meters in diameter
A cluster of 3 fresh - looking impact craters shown in the radar images of the surface of Venus show that......
erosion and weathering are very slow processes on Venus
which pair of solar system bodies comes closest to approximating a double planet? (that is 2 bodies of roughly equal mass, close enough to revolve around each other)
Pluto and Charon
_____ occurs when an object in the outer reaches of the solar system passes between Earth and a far distant star, temporarily blocking light from the star
Pluto is now classified as a _____ in our solar system
dwarf planet
the _____ explains how solar system probably formed from a giant cloud of gasses and dispersed solid particles
nebular hypothesis
_____ meteorites are thought to be analogous in composition to Earth's core
compared to Earth's atmosphere, the atmosphere of Mars has surface pressures that are............
0.1 times that of Earth
as the solar system was forming, ____ came closest to undergoing nuclear fusion, and becoming a 2nd sun
what is true of comets?
they have highly elliptical orbits around the sun
______ refers to the bright head of a comet
_______ has the great dark spot on it's surface
which one of the following is not found on Mars?
H20 rich atmosphere
_____ are found both on Mars and Earth
erosional features related to flowing water
the surface features of _____ are known only through satellite-radar mapping
______ is a moon of Mars
what is not true about Jupiter?
a rotational speed slower than Mercury
_______ has atmospheric pressures at its surface that are roughly comparable to those at Earth's surface.
Saturn's moon Titan
______, a moon orbiting Jupiter has a smooth uncratored, ice-covered surface
Compared to the density of liquid water, (1 gram per cc) the appropriate range in average densities of the terrestrial planet is........
4 to 6 grams per cc
_____ has a hot turbulent atmosphere dominated by carbon dioxide
___ is the principal gas in the Venusian atmosphere and is also a minus component in the atmospheres of Earth and mars.
Carbon Dioxide
The largest known volcano in the solar system is ______
Mona olympus
Which one of the terrestrial planets has a surface similar to the older areas of the moon?
_______ are small extraterrestrial particles that glow when they enter Earth's amtomsphere
______ is not the densest planet in the solar systemew
the asteroid belt is between.............
Mars and Jupiter
what planet does the greenhouse effect take place on?
____ has polar caps that change with the seasons
the tail of the comet is ________
not dark
carbon dioxide is the major gas in the atmosphere of
what are the 4 largest moons of Jupiter called?
the Galilean moons
_________________________ are bright radial streaks that converge inward toward the planet's surface
rays in the rings of Saturn
Which one doesn't belong:
Mercury Saturn Uranus Jupiter
Which one doesn't belong:
Phobos Pluto Titan Callisto
Which one doesn't belong:
Earth Venus Mars Jupiter
Which one doesn't belong:
Comet Asteroid Meteoroid Planet
True or False:
comets are thought to be composed of dust and tiny ice particles, encased in small solidified metallic fragments
false, no metallic fragments
True or False:
an extreme example of the greenhouse effect is thought to be associated with an abundance of carbon dioxide in the martian atmosphere
false, Venus, not Mars
True or False:
The martian polar caps are thought to be mainly frozen methane and ammonia
True or False:
large impact craters and large domal features (probably representing Viscous lava flows) have been imaged on the surface of Venus
True or False:
eruptive plumes and lava flows rich in sulfur have been photographed on Jupiter's moon Io
True or False:
the Jovian planets are more massive but less dense than the terrestrial planets
True or False:
the atmosphere of Mars is less dense than Earth's
______ is the glowing head of the comet
________ is the major gas in the atmosphere of Venus
carbon dioxide
the Cassini gap is associated with the planet_______
the only planet in the solar system who's axis of rotation lies close to the equatorial plane is __________
which planet shows clear evidence of water erosion?
______ has densely cratered surface similar to the moon