The Global Hydrological Cycle keyterms

Question 1

Biosphere?

Answer 1

The store of water in living organisms such as trees.

Question 2

Desalination?

Answer 2

Removal of salt from sea water

Question 3

Flow?

Answer 3

The movement of water from one store to another

Question 4

Evaporation?

Answer 4

Change in state from liquid to vapour due to heating

Question 5

Transpiration?

Answer 5

The transfer of water from plants to the air as water vapour

Question 6

Surface run-off?

Answer 6

Flow of water over the land

Question 7

Infiltration?

Answer 7

Rain enters into the soil

Question 8

Throughflow?

Answer 8

Movement of water through soil horizontally and sideways

Question 9

Percolation?

Answer 9

The downward movement of water into the soil layer due to gravity.

Question 10

Precipitation?

Answer 10

Water falls to Earth as rain, sleet, hail or snow

Question 11

Interception?

Answer 11

Water caught on leaves and vegetation

Question 12

Impermeable?

Answer 12

Rocks that don’t let water pass through

Question 13

Permable?

Answer 13

Rocks that let water seep through

Question 14

Water table?

Answer 14

The level of water underground

Question 15

Condensation?

Answer 15

Change in state from vapour to liquid due to cooling

Question 16

Aquifer?

Answer 16

A rock such as a chalk that can hold water

Question 17

Evapotranspiration?

Answer 17

Transfer of water from the land surface to the air as vapour

Question 18

Channel flow?

Answer 18

Water flowing in a river or stream

Question 19

Latent heat?

Answer 19

The energy needed to change the state of water

Question 20

Sublimation?

Answer 20

Solid to gas without going through the liquid stage