Chapter 22 Science Test

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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

occulation

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

iron

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

Jupiter

what is true of comets?

they have highly elliptical orbits around the sun

______ refers to the bright head of a comet

coma

_______ has the great dark spot on it's surface

Neptune

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

Venus

______ is a moon of Mars

phobos

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

Europa

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

Venus

___ 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?

Mercury

_______ are small extraterrestrial particles that glow when they enter Earth's amtomsphere

meteoroids

______ is not the densest planet in the solar systemew

Jupiter

the asteroid belt is between.............

Mars and Jupiter

what planet does the greenhouse effect take place on?

Venus

____ has polar caps that change with the seasons

mars

the tail of the comet is ________

not dark

carbon dioxide is the major gas in the atmosphere of

Venus

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

Mercury

Which one doesn't belong:
Phobos Pluto Titan Callisto

Pluto

Which one doesn't belong:
Earth Venus Mars Jupiter

Jupiter

Which one doesn't belong:
Comet Asteroid Meteoroid Planet

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

false

True or False:
large impact craters and large domal features (probably representing Viscous lava flows) have been imaged on the surface of Venus

true

True or False:
eruptive plumes and lava flows rich in sulfur have been photographed on Jupiter's moon Io

true

True or False:
the Jovian planets are more massive but less dense than the terrestrial planets

true

True or False:
the atmosphere of Mars is less dense than Earth's

true

______ is the glowing head of the comet

coma

________ is the major gas in the atmosphere of Venus

carbon dioxide

the Cassini gap is associated with the planet_______

Saturn

the only planet in the solar system who's axis of rotation lies close to the equatorial plane is __________

Uranus

which planet shows clear evidence of water erosion?

Mars

______ has densely cratered surface similar to the moon

Mercury

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