Water World - Geography

Water World - Geography

Water World To know where water is found and what it comprises of. To be able to label and explain the hydrological cycle. To understand the links between the hydrosphere, lithosphere and biosphere. What is the definition of water?

A colourless, tasteless, transparent, odourless liquid that forms the seas, rivers and rain. Where is water found? Task You need to draw 3 bar graphs showing the compounds of water similar to the one we have just been looking at. Bar 1

Bar 2 (of fresh water) Bar 3 (of surface water) Fresh Water 3% Ice 79% Lakes 52% Salt Water 97%

Underground 20% Soil 38% Surface 1% Atmosphere 8% Rivers 1% The Water Cycle

TASK Each of you has half of a more difficult diagram showing the hydrological cycle. Sit back to back with a partner (DO NOT LET THEM SEE YOUR DIAGRAM). Try and explain your diagram to them they must draw it and label it from your explanation on their whiteboards. Swap and try to draw your other half.

The Water Cycle TASK Condensation When water changes from a liquid to vapour. Evaporation When cooling vapour turns into a liquid. Surface runoff

Water that falls on the earths surface (rain, snow). Precipitation Movement of water over the land (river). Groundwater Plants giving off water vapour from their leaves. Transpiration Water that has sunk through the ground to the rocks b

1. Match up the definitions with the statements write them neatly into your book 2. Draw the water cycle diagram and add the labels above 3. Peer mark Hydrosphere relationships The Earths biosphere captures and stores water. Vegetation leaves store water until the water evaporates therefore it is a regulated flow. As a result forests are an excellent flood defence as it intercepts water which

might get to the river too quickly in a flash flood. The lithosphere also acts as a water store. Soils and rocks hold water for a period of time this is dependant on how permeable the surface is. TASK Add the links between the hydrosphere, atmosphere, biosphere and lithosphere by matching them to the correct part of the diagram. Exam practice Bullet point the answers to these questions. Describe the fastest route that rain falling over land can take to

reach the ocean. (4) Explain why tree planting slows water movement through the hydrological cycle. (4) Ten days of rain is stored in the clouds above the each. Rain and snow falls off leaves Precipitation falls onto unvegetated ground

Plant root uptake Evaporation off water surfaces Water is caught and held on leaves when it rains Water drops off leaves to reach ground Water evaporates off leaves

Water flows off land Water evaporates off ground surface Water is stored underground in aquifers and on land as ice Rivers, streams, lakes and oceans Ten days of rain is stored in

the clouds above the each. Precipitation falls onto unvegetated ground Rain and snow falls off leaves Plant root uptake Water evaporates off leaves

Water flows off land Rivers, streams, lakes and oceans Water evaporates off ground surface Evaporation off water surfaces Water is caught and held on

leaves when it rains Water drops off leaves to reach ground Water is stored underground in aquifers and on land as ice

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