2.1 A world of water

2.1 A world of water
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AardrijkskundeMiddelbare schoolhavo, vwoLeerjaar 2

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2.1 A world of water

Slide 1 - Diapositive

Aims
After studying this section, you will be able to:
  • Describe where water is found in the world and explain why freshwater is scarce;
  • Explain how rivers are formed, and how they change from the source to the mouth.

Slide 2 - Diapositive

Distrubution of saline and fresh water in the world.

Slide 3 - Diapositive

Slide 4 - Vidéo

  • Upper course (A) 
  • Middle course (B) 
  • Lower course (C) 
  • A river is a part of the hydrological cycle

Characteristics of a river:

  • Upper course (A) 

  • Middle course (B) 

  • Lower course (C) 

  • A river is a part of the hydrological cycle

Slide 5 - Diapositive

In which part of the river does the water flows fastest?
A
Upper course
B
Middle course
C
Lower course
D
It differs

Slide 6 - Quiz

Rivers

Slide 7 - Carte mentale

Slide 8 - Diapositive

Slide 9 - Diapositive

Rivers
Drainage basin:
  • Area that drains into a river or its tributaries. 

Tributaries:
  • Smaller side-rivers.
Watershed:
  • Boundary between two drainage basins. 

Slide 10 - Diapositive

Write down 4 things why a rivier could be important 

Slide 11 - Diapositive

Cross-section of a river
River bed = Bottom of the river / river banks = sides of the river.
https://www.eduhint.nl/content/contentimages/geo/v2herziening/Ch2/2.9.jpg

Slide 12 - Diapositive

Groundwater
Water that is stored underground

Water flows in the groundwater towards the rivers

Slide 13 - Diapositive

Off to work
Do all exercises 2.1

Slide 14 - Diapositive

This occurs when water vapour is turned back into water droplets as it cools down:
A
Evaporation
B
Transpiration
C
Condensation
D
Infiltration

Slide 15 - Quiz

What is an effect of condensation?
A
Evaporation
B
Transpiration
C
Clouds are formed
D
Surface run-off

Slide 16 - Quiz

What word fits the gap?
"Some water ............... deeper into the ground and is slowly transferred back to the river or sea."
A
condensates
B
evaporates
C
infiltrates
D
percolates

Slide 17 - Quiz

Which three forms of precipitation
do you know?

Slide 18 - Question ouverte

Off to work
2.1: 6,7,9,10

Slide 19 - Diapositive