scientific research cruises using submarines under the ice
This is question
Sorry, that is incorrect.
The SCICEX expeditions (1995-1998) were scientific research cruises using submarines under the ice.
The Arctic
expeditions to cross the Arctic Ocean using dog sleds
Next Question
You have correctly answered
Yes! That is correct.
The SCICEX expeditions (1995-1998) were scientific research cruises using submarines under the ice.
efforts to freeze a ship into the ice for the winter to determine ice drift
The SCICEX expeditions (1995–1990) were:
expeditions to reach the North Pole
5 of 6
You got
out of
6
Try again?
right
Correct!
Yes! That is correct.
When sea ice melts, sea level stays the same. Only ice melting on land, such as glaciers, changes sea levels.
none of the above
Finish
rises
falls
6 of 6
stays the same
When sea ice melts, sea level:
Sorry, that is incorrect.
When sea ice melts, sea level stays the same. Only ice melting on land, such as glaciers, changes sea levels.
an ocean surrounded by land
ocean only
The Arctic is made up of:
ocean and continent of equal areas
Yes! That is correct.
The Arctic is an ocean surrounded by continents.
Sorry, that is incorrect.
The Arctic is an ocean surrounded by continents.
2 of 6
a continent surrounded by water
five meters
two to three meters
less than one meter
Yes! That is correct.
The average thickness of the pack ice on the Arctic Ocean is two to three meters.
Sorry, that is incorrect.
The average thickness of the pack ice on the Arctic Ocean is two to three meters.
3 of 6
more than 10 meters
Pack ice in the Arctic has an average thickness of:
4 of 6
A halocline is
a sharp change or gradient in temperature
a pancake-shaped piece of ice
a steep ridge of ice
Yes! That is correct.
A halocline is a sharp change or gradient in salinity.
Sorry, that is incorrect.
A halocline is a sharp change or gradient in salinity.
a sharp change or gradient in salinity
What determines the timing of the seasons in the Arctic?
1 of 6
the tilt of the Earth
the orbit of the Earth
Yes! That is correct.
Because of the Earth’s tilt and orbit around the sun, the poles receive less energy and heat from the sun. This results in only two polar seasons—summer and winter.
the rotation of the Earth
Sorry, that is incorrect.
Because of the Earth’s tilt and orbit around the sun, the poles receive less energy and heat from the sun. This results in only two polar seasons—summer and winter.
both the tilt and orbit of the Earth