QUIZ 1. Alaska is snow covered for __________. 3 months 9 months 6 months 12 months 2. Evidence for global warming comes from __________. ice cores. tree rings. lake cores. all of these. 3. The duration of the ice cover on Northern Hemisphere lakes and rivers has__________. increased. stayed the same. decreased. not been monitored 4. Snowmelt is affected by _________. the amount of snowfall. cloud cover. air temperature. all of these. 5.The phase of water is determined by __________. pressure and temperature. vaporization and condensation. melting and freezing. sublimation and deposition. 6. The amount of water in the water cycle __________. varies with temperature. varies from place-to-place. varies with the time of year. does not vary. 7. The first material has a higher thermal conductivity than the second. stainless steel, copper. straw, bricks. mylar, glass. snow, air. 8. A surface with an albedo of 1 is __________. a perfect reflector. a perfect absorber. a cloud top. water 9. Congelation ice appears__________. black. neither of these. columnar. both of these. 10. Lake ice phenology refers to __________. freeze up date. break up date ice cover duration all of these. 11. Lake ice thickness varies __________. spatially and temporally locally regionally. from year-to-year. 12. Snowflakes are __________. pentagonal heptagonal. hexagonal. None of these 13. Depth hoar forms by __________ metamorphism. equi-temperature gravitational temperature gradient melt/freeze 14. The conductive heat flow through a snow cover is determined by __________. temperature gradient and snow thermal conductivity snow density and snow depth. ice thickness and air temperature. temperature at the top and bottom of the snow. 15. __________ snow has the highest albedo. Wet Dense Dirty New
3 months 9 months 6 months 12 months
3 months
9 months
6 months
12 months
2. Evidence for global warming comes from __________.
ice cores. tree rings. lake cores. all of these.
ice cores.
tree rings.
lake cores.
all of these.
3. The duration of the ice cover on Northern Hemisphere lakes and rivers has__________.
increased. stayed the same. decreased. not been monitored
increased.
stayed the same.
decreased.
not been monitored
4. Snowmelt is affected by _________.
the amount of snowfall. cloud cover. air temperature. all of these.
the amount of snowfall.
cloud cover.
air temperature.
5.The phase of water is determined by __________.
pressure and temperature. vaporization and condensation. melting and freezing. sublimation and deposition.
pressure and temperature.
vaporization and condensation.
melting and freezing.
sublimation and deposition.
6. The amount of water in the water cycle __________.
varies with temperature. varies from place-to-place. varies with the time of year. does not vary.
varies with temperature.
varies from place-to-place.
varies with the time of year.
does not vary.
7. The first material has a higher thermal conductivity than the second.
stainless steel, copper. straw, bricks. mylar, glass. snow, air.
stainless steel, copper.
straw, bricks.
mylar, glass.
snow, air.
8. A surface with an albedo of 1 is __________.
a perfect reflector. a perfect absorber. a cloud top. water
a perfect reflector.
a perfect absorber.
a cloud top.
water
9. Congelation ice appears__________.
black. neither of these. columnar. both of these.
black.
neither of these.
columnar.
both of these.
10. Lake ice phenology refers to __________.
freeze up date. break up date ice cover duration all of these.
freeze up date.
break up date
ice cover duration
11. Lake ice thickness varies __________.
spatially and temporally locally regionally. from year-to-year.
spatially and temporally
locally
regionally.
from year-to-year.
12. Snowflakes are __________.
pentagonal heptagonal. hexagonal. None of these
pentagonal
heptagonal.
hexagonal.
None of these
13. Depth hoar forms by __________ metamorphism.
equi-temperature gravitational temperature gradient melt/freeze
equi-temperature
gravitational
temperature gradient
melt/freeze
14. The conductive heat flow through a snow cover is determined by __________.
temperature gradient and snow thermal conductivity snow density and snow depth. ice thickness and air temperature. temperature at the top and bottom of the snow.
temperature gradient and snow thermal conductivity
snow density and snow depth.
ice thickness and air temperature.
temperature at the top and bottom of the snow.
15. __________ snow has the highest albedo.
Wet Dense Dirty New
Wet
Dense
Dirty
New
