In deze les zitten 31 slides, met interactieve quizzen en tekstslides.
Lesduur is: 45 min
Onderdelen in deze les
Section 2.1: A world of water
1. Where is water found in the world?
2. Why is freshwater scarce?
3. How are rivers formed?
4. How do rivers change, from source to mouth?
Slide 1 - Tekstslide
Slide 2 - Tekstslide
How many % of the Earth's fresh water is surface water?
A
22%
B
35%
C
65%
D
78%
Slide 3 - Quizvraag
Where can we find land ice?
A
Greenland
B
Iceland
C
Antarctica
D
The Northpole
Slide 4 - Quizvraag
Speak
Which colour(s) is/are not land ice?
Slide 5 - Tekstslide
Why is freshwater scarce?
A
97% of the water is saline
B
Because of the Climate Change
C
It takes time to make ocean water usable
D
This is found in glaciers and ice caps
Slide 6 - Quizvraag
This occurs when water vapour is turned back into water droplets as it cools down:
A
Evaporation
B
Transpiration
C
Condensation
D
Infiltration
Slide 7 - Quizvraag
What is an effect of condensation?
A
Evaporation
B
Transpiration
C
Clouds are formed
D
Surface run-off
Slide 8 - Quizvraag
Which three forms of precipitation do you know?
Slide 9 - Open vraag
Speak
What is this image about?
Slide 10 - Tekstslide
What is the correct word for 'waterscheiding'?
A
Water separation
B
Watershed
C
Water divide
D
Watersplit
Slide 11 - Quizvraag
Section 2.2: The Rhine: a river in Europe
1. What are the differences between the upper, middle and lower courses of the River Rhine?
2. What are the main uses of the River Rhine?
3. Why is water quality in the River Rhine an international issue?
Slide 12 - Tekstslide
Where is this: Some tributary rivers have joined the main river. The rate of erosion is decreasing, and there are fewer large rocks on the river bed to be eroded
A
Upper course
B
Middle course
C
Lower course
D
Of course
Slide 13 - Quizvraag
In which part of the river does the water flow fastest?
A
Upper course
B
Middle course
C
Lower course
D
It differs
Slide 14 - Quizvraag
What are the differences between the upper, middle and lower courses of the River Rhine?
Upper Course
Middle Course
Lower Course
Rocky river bed
High and steep but close river banks
A lot of erosion
Less gradient, but more river discharge
More tributaries
The river splits in three distributaries
Medium size rocks
The river moves particles it has eroded
Small rocks and sand
Slide 15 - Sleepvraag
Teacher explains
Slide 16 - Tekstslide
Where does the Rhine get it's water during the summer?
A
Glaciers
B
Rainfall
C
Bottles
D
The sea
Slide 17 - Quizvraag
What is not a main use of the river Rhine?
A
Drinking water
B
Transport
C
Bricks
D
Hydro power
Slide 18 - Quizvraag
Teacher explains
Slide 19 - Tekstslide
How does meandering work?
Slide 20 - Open vraag
What is happening here?
Speak
Slide 21 - Tekstslide
Slide 22 - Tekstslide
What do you know more about meandering now?
Slide 23 - Open vraag
To do:
1. Improve your work of 2.5 with the online answersheet (Bestanden->lesmateriaal)
2. Read feedback on homework that you have handed in.
3. Complete missing hand-ins.
4. All done? Practice keywords with Purpose Games.
Slide 24 - Tekstslide
Section 2.3: Dealing with water in the Netherlands
1. How are river discharges in the Netherlands likely to change in the future?
2. How does the Netherlands deal with high and low river discharges? 3. How does the Netherlands deal with extreme rainfall?
Slide 25 - Tekstslide
How does the Netherlands deal with high and low river discharges?
Slide 26 - Open vraag
Slide 27 - Tekstslide
What change was made to the river in regard to the Room for the River project?
A
They moved the dyke
B
They made an extra channel
C
They made the dykes higher
D
They removed the groynes
Slide 28 - Quizvraag
Slide 29 - Tekstslide
What is the most important reason to lower the groynes?
Slide 30 - Open vraag
How are river discharges in the Netherlands likely to change in the future?