Unit 5 Topic 1-3 review( teamwork!)

Question 1

icefield

Answer 1

an area that feeds two or more glaciers

Question 2

vally glacier

Answer 2

a glacier usually originating in a cirque at a valley head or in a plateau ice cap and flowing downward between the walls of a valley.

Question 3

saltwater

Answer 3

is the water that found in the ocean

Question 4

crevasse

Answer 4

a deep fissure, or crack in ice

Question 5

outwash

Answer 5

material deposited by the meltwater from a glacier

Question 6

esker

Answer 6

a winding ridge made of sand and gravel formed by streams that flow beneath a glacier

Question 7

icefall

Answer 7

a frozen waterfall made when a glacier flows over a steep cliff

Question 8

pack ice

Answer 8

a floating sheet of ice rarely more than 5 m thick that breaks easily

Question 9

meltwater

Answer 9

the run-off from melting snow

Question 10

millwell

Answer 10

a rounded hole in the ice formed by a stream as it melts its way downward through the ice

Question 11

icebergs

Answer 11

s large chunks of floating ice that break loose or calve from continental glaciers as the glaciers flow downslope in the ocean

Question 12

freshwater

Answer 12

is the water that you can drink

Question 13

water cycle

Answer 13

the continuous movement of water through the biosphere; the water cycle consists of evaporation, transpiration, condensation, and precipitation

Question 14

water quantity

Answer 14

Water quantity is the timing and total yield of water from a watershed and is measured by total yield and peak flow over a specified period of time.

Question 15

water quality

Answer 15

Water quality can be thought of as a measure of the suitability of water for a particular use based on selected physical, chemical, and biological characteristics.

Question 16

glacier

Answer 16

a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.

Question 17

ice cap

Answer 17

a covering of ice over a large area, especially on the polar region of a planet.

Question 18

ice ages

Answer 18

any of the major periods when glaciers covered much of Earth. The most recent ice age ended about 11 000 years ago

Question 19

calve

Answer 19

when large chunks of ice break off from the edge of a glacier and become icebergs

Question 20

striations

Answer 20

scratches made in rocks by rock fragments carried by glaciers

Question 21

Arete

Answer 21

a sharp mountain ridge.

Question 22

horn

Answer 22

a hard permanent outgrowth, often curved and pointed, found in pairs on the heads of cattle, sheep, goats, giraffes, etc., and consisting of a core of bone encased in keratinized skin.

Question 23

till

Answer 23

up to (the point in time or the event mentioned); until.

Question 24

moraine

Answer 24

a mass of rocks and sediment carried down and deposited by a glacier, typically as ridges at its edges or extremity.