Les 1 - §3.1 Water in Motion

I fall, but I never hurt. I run, but I have no feet. I have a mouth but I cannot eat. What am I?
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Slide 1: Mind map
AardrijkskundeMiddelbare schoolvwoLeerjaar 3

This lesson contains 23 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 45 min

Items in this lesson

I fall, but I never hurt. I run, but I have no feet. I have a mouth but I cannot eat. What am I?

Slide 1 - Mind map

Planning
Start on chapter 3
  • How important is water?
  • Is there enough water?

Slide 2 - Slide

Key words §3.1
Fresh water (zoet water): Water with a low concentration of dissolved salt. Drinking water is fresh water too.
Salt water (zout water): Water with a high concentration of dissolved salt. Sea water for example
Precipitation (neerslag): The different ways water falls back down to earth. For instance as rain, snow or hail.
Evaporation (verdamping): The process of water in liquid form turning into water in gaseous (gas) form. So the sea turning into clouds basically.
Hydrological cycle (waterkringloop): The process by which seawater returns to the sea through evaporation and precipitation, and through groundwater and rivers
Surface water (oppervlaktewater): water that is visible, such as lakes, rivers and seas
Ground water (grondwater): Water that is no longer visible, because it has infiltrated into the rock, and is now underground.
Glacier (gletsjer): Large bodies of ice on mountains as a result of snow falling on the mountains, which accumulates over time
Landice (landijs): Masses of ice which are on land


Slide 3 - Slide

Learning objectives §3.1
  • You know the amount of water that is suitable and reachable for human consumption
  • You that water is not equally distributed across the world, seasonally, and locally

Slide 4 - Slide

How long can you go without water (on average)?
A
1 day
B
3 days
C
5 days
D
14 days

Slide 5 - Quiz

Water
It is kinda important for us
But how much is there and do we have enough?

Slide 6 - Slide

Which percentage of all water on earth is fresh water?
A
22,3%
B
57,8%
C
2,5%
D
7,5%

Slide 7 - Quiz

Fresh water vs. Salt water
  • 97,5% salt water
  • 2,5% fresh water

Slide 8 - Slide

Which percentage (potentially) use of this fresh water?
A
50%
B
70%
C
20%
D
1%

Slide 9 - Quiz

Accessible water
  • 69% ice
  • 30% deep groundwater
  • 1% easily accesible

Slide 10 - Slide

What holds more fresh water?
A
Rivers
B
Plants
C
The air
D
Animals

Slide 11 - Quiz

Accessible water
  • 52% in lakes
  • 38% groundwater
  • 8% in the air
  • 1% in rivers
  • 1% in plants

Slide 12 - Slide

Accessible water
  • In conclusion only 0,25% of all water is accessible to us
  • And that is also water we use to flush our toilets...

Slide 13 - Slide

Is there enough water?
A
yes
B
no

Slide 14 - Quiz

Is there enough water?
kinda...

If it were equally divided across the world

Slide 15 - Slide

Waterstress
Water is not equally divided in multiple ways
  • Worldwide
  • Seasonally
  • Locally
Waterstress happens when more water is used than available in an area

Slide 16 - Slide

Slide 17 - Slide

Slide 18 - Slide

Slide 19 - Slide

Slide 20 - Slide

Slide 21 - Slide

Next time
The hydrological cycle

Slide 22 - Slide

Slide 23 - Slide