•Introduction

•Evaporation

•Transpiration

•Condensation

•Precipitation

•Infiltration

•Percolation

•Runoff•Groundwater

References

Water is essential for all life. Plants and animals Water is essential for all life. Plants and animals rely on water to survive.rely on water to survive.

Water covers about 2/3 of the earth’s surface.Water covers about 2/3 of the earth’s surface. The way water moves around the world and the The way water moves around the world and the

way it is stored is called the water cycle. way it is stored is called the water cycle. The main processes in the water cycle are;The main processes in the water cycle are;

The Water Cycle SONGThe Water Cycle SONG http://www.acme.com/jef/singing_science/water_cycle-160.mp3http://www.acme.com/jef/singing_science/water_cycle-160.mp3

EvaporationEvaporation The conversion of liquid water into The conversion of liquid water into

water vapourwater vapour

TranspirationTranspiration When moisture is lost by evaporation When moisture is lost by evaporation

from plant leavesfrom plant leaves

CondensationCondensation When water vapour gets converted When water vapour gets converted

back into liquid waterback into liquid water

PrecipitationPrecipitation When moisture falls back to earth in When moisture falls back to earth in

the form of rain, sleet, hail, snow, the form of rain, sleet, hail, snow, fog, dew and frostfog, dew and frost

InfiltrationInfiltration When water seeps and moves into When water seeps and moves into

the soilthe soil

Percolation or throughflowPercolation or throughflow When water moves down through the When water moves down through the

layers of soil and rock to become layers of soil and rock to become groundwatergroundwater

Surface RunoffSurface Runoff After rain water can flow across the After rain water can flow across the

surface of the earth surface of the earth

Groundwater:Groundwater: Water that has percolated through Water that has percolated through

the soil.the soil.

Water moving through the soil

Water running across the Earth’s surface

Water stored in underground aquifers

Some surface runoff evaporated the rest will infiltrate or flow down watercourses such as rivers

Water evaporated from plants through the leaves

Solar energy converts liquid water into water vapour to be stored as clouds

Water returning to the cycle usually as rainWater stored

as water vapour

InteractivesInteractives

http://www.nwlg.org/pages/resourceshttp://www.nwlg.org/pages/resources/geog/hydro_cycle/hydro/cycle.htm/geog/hydro_cycle/hydro/cycle.htm

http://www.bbc.co.uk/scotland/educahttp://www.bbc.co.uk/scotland/education/int/geog/rivers/flash/home.swftion/int/geog/rivers/flash/home.swf

GamesGames http://cgz.e2bn.net/e2bn/leas/c99/schools/cgz/accounts/staff/rchambers/Gehttp://cgz.e2bn.net/e2bn/leas/c99/schools/cgz/accounts/staff/rchambers/Ge

oBytes/Content%20Generator%20Quizzes/Multiple%20Choice%20Quizzes/oBytes/Content%20Generator%20Quizzes/Multiple%20Choice%20Quizzes/Year%2010/Year%2010%20Hydrological%20Cycle/HydrologicalCycle.htmlYear%2010/Year%2010%20Hydrological%20Cycle/HydrologicalCycle.html

http://cgz.e2bn.net/e2bn/leas/c99/schools/cgz/accounts/staff/rchahttp://cgz.e2bn.net/e2bn/leas/c99/schools/cgz/accounts/staff/rchambers/GeoBytes/Content%20Generator%20Quizzes/Penalty%20Shmbers/GeoBytes/Content%20Generator%20Quizzes/Penalty%20Shoot%20Out/Year%2010%20Hydrological%20Cycle/Year%2010%20oot%20Out/Year%2010%20Hydrological%20Cycle/Year%2010%20Hydrological%20Cycle/Hydrological%20Cycle_penalty.htmlHydrological%20Cycle/Hydrological%20Cycle_penalty.html

http://cgz.e2bn.net/e2bn/leas/c99/schools/cgz/accounts/staff/http://cgz.e2bn.net/e2bn/leas/c99/schools/cgz/accounts/staff/rchambers/GeoBytes/Content%20Generator%20Quizzes/Multiplerchambers/GeoBytes/Content%20Generator%20Quizzes/Multiple%20Choice%20Quizzes/Year%208/Year%208%20-%20Hydrological%20Choice%20Quizzes/Year%208/Year%208%20-%20Hydrological%20Cycle/Hydrological_Cycle.swf%20Cycle/Hydrological_Cycle.swf

VideoVideo http://www.leonardodicaprio.org/http://www.leonardodicaprio.org/

whatsimportant/watermovie.htmwhatsimportant/watermovie.htm

1. Evapotranspiration or transpiration 1. Evapotranspiration or transpiration 2. Condensation;2. Condensation;

3. Precipitation; 3. Precipitation; 4. Infiltration; 4. Infiltration; 5. Throughflow or percolation5. Throughflow or percolation 6. Runoff; 6. Runoff; 7. Groundwater flow and 7. Groundwater flow and 8. Evaporation8. Evaporation