Water store/cycle key words

Question 1

Aquifer

Answer 1

A water-bearing band of porous or permeable rock

Question 2

Atmosphere

Answer 2

The thine envelope of gases (mainly nitrogen and oxygen) that surrounds the earth.

Question 3

Biosphere

Answer 3

The space at the Earth’s surface and withing the atmosphere occupied by living organisms.

Question 4

Convection

Answer 4

The motion of gas/liquid which when warmed rises until eventually it cools and sinks in a continuous circulation.

Question 5

Glaciers

Answer 5

Large, slow moving masses of ice

Question 6

Ice sheets

Answer 6

The largest accumulation of ice, defined as extending for more than 50,000 km².
There are only 2; Antarctica and Greenland

Question 6

Valley Glaciers

Answer 6

Glaciers confined by valley sides.

Question 7

Ice Shelves

Answer 7

Thick masses of floating glacial ice that is permanently attached to land, formed and fed by tongues of glaciers extending outwards from the land into sheltered waters.

Question 8

Iceberg

Answer 8

A floating mass of freshwater glacial ice that has broken from the seaward end of a glacier or an ice shelf.

Question 9

Permafrost

Answer 9

Ground that remains at or below 0°c for at least 2 consecutive years.

Question 10

Sea ice

Answer 10

Frozen seawater in the Arctic ocean and its adjacent seas.
Northern Hemisphere sea ice extent typically ranges from around 8 million km² in September to around 16 million km² in March.
Southern Hemisphere sea ice extent ranges from around 4 million km² in Feb to around 20 million km² in September.