Ice sheets/Quiz

Ice sheets is a lecture as part of the astrogeology series on rocky objects.

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Quiz
{True or False, Complex organic compounds in the geysers of Enceladus is a good indicator of possible life. + TRUE - FALSE
 * type=""}

{Complete the text: Previously, the tiger stripe regions were found to be expelling { plumes (i) } of water-ice, fueling speculation that { liquid (i) } seas might occur { beneath (i) } Enceladus' frozen exterior.
 * type="{}"}

{True or False, The leading hemisphere is the hemisphere facing the direction of the orbital motion; the trailing hemisphere faces the reverse direction. + TRUE - FALSE
 * type=""}

{The cryosphere of Europa is likely to include which of the following? + water in solid form + sea ice - rain - lake ice - river ice - snow cover - glaciers - ice caps - ice sheets
 * type="[]"}

{True or False, Enceladus may be a cold version of Io. + TRUE - FALSE
 * type=""}

{The science of the behavior of frozen snow is called { cryopediology (i) }
 * type="{}"}

{Chemistry phenomena associated with Europa are + water + clay + organic compounds + silicates - plastic
 * type="[]"}

{Complete the text: With respect to Europa, dark brown areas represent { rocky (i) } material derived from the { interior (i) }, implanted by { impact (i) }, or from a { combination (i) } of interior and exterior sources.
 * type="{}"}

{Complete the text: Match up the astroglacial object with each of the possibilities below: ice cap - A optical characteristics of sediment suspensions - B water in solid form - C behavior of frozen snow - D ice sheets - E ice knobs - F cryopediology { D (i) }. lake Veitastrondsvatn { B (i) }. Callisto { F (i) }. cryosphere { C (i) }. Antarctica and Greenland { E (i) } Vatnajökull, Iceland { A (i) }.
 * type="{}"}

{Complete the text: Match up the object with the image: Callisto - A Vatnajökull, Iceland - B the Cryosphere - C Antarctica - D Ganymede - E Europa - F { D (i) }. { A (i) }. { F (i) }. { C (i) }. { E (i) } { B (i) }.
 * type="{}"}

{Which of the following is not an astronomical cryosphere? - Vatnajökull, Iceland - the last ice sheets in Europe and North America - the icy shell of Europa + the photosphere - frozen snow - ice sheets are in Antarctica and Greenland
 * type=""}

{True or False, During the last glacial period of Europa the Laurentide period ice sheet covered much of the mitten. - TRUE + FALSE
 * type=""}

{Which of the following is not an astronomical characteristic of ice? - an albedo as high as 80% - thin water frost deposits - ice knobs + tidal heating events - surface is composed of water ice and is one of the smoothest in the Solar System - the bright rays on the surface of Europa
 * type=""}

{ Yes or No, The tidal flexing of the ice on Europa may have heated the interior and strained the lithosphere, leading to the development of cracks and horst and graben faulting, which erased the old, dark terrain on 70% of the surface? - No + Yes
 * type=""}

{ Yes or No, The tidal flexing of the ice on Enceladus may have heated the interior and strained the lithosphere, leading to the development of cracks and horst and graben faulting, which erased the old, dark terrain on 70% of the surface? + No - Yes
 * type=""}

Hypotheses

 * 1) There are volcanoes on Europa.