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Beatriz Cánovas

on 28 March 2016

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Transcript of Hydrosphere

The water cycle
Water found in seas and oceans
Fresh water
Layer of the Earth made up of water
Fresh water
Salt water
97% of water in Earth
Seas and oceans
3% of water in Earth
Water that we can drink
Rivers, lakes, groundwater and glaciers
Constant movement of water in the Earth
The sun heats liquid water. It evaporates: becomes water vapour in the air
Water vapour condenses in the cold air in the troposphere: it forms tiny droplets and forms clouds
Tiny droplets form heavier drops when they cool down. Then, they fall from the clouds as precipitation: rain, hail or snow
Water in the rivers and ground water goes into the seas and oceans
Salt water
97% of water in the Earth
There are 5 oceans:
Atlantic Ocean
Antarctic Ocean
Pacific Ocean
Indian Ocean
Arctic Ocean
Salt water is in constant movement
There are 3 types of movements:
Ocean currents
Movements of water caused by the wind
Rising and falling of the sea level
Low water
High water
Movements caused by differences in temperature
3% of water in the Earth
There are 2 types:
Surface water
Water found on the surface of the Earth
A large area of thick ice
A deposit of fresh water
A river that flows into another river
A course where water only flows after it rains
The place where water flows from an aquifer
A body of fresh water in continuous movement that flows to the sea
It has 3 parts:
Flow regime
Amount of water in the river
It can vary depending on the time of the year
The area that contains the flowing water of the river
Water collected from rain that falls through the soil
Deposit of groundwater
1. Upper course
2. Middle course
3. Lower course
Part of the river next to the source
In this part, the land is flatter and the river is wider
In this part, the land is flat and it's near the mouth of the river
The route the river takes
Full transcript