introduction wonderful world of water

• Aardrijkskunde
• Middelbare school
• havo
• Leerjaar 2

 A world of water

Where is water found in the world?

1. Only in the oceans
2. on 70% of the earth's surface
3. In the oceans and rivers
4. on 85 % of the earth's surface

What two types of water do we have on this planet?

The most fresh water is....

1. In ice / glaciers
2. In rivers / lakes
3. In groundwater
4. In the ocean

Put the words in the right order.
condensation - precipitation - evaporation

 The Rhine: a river in Europe

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?

Differences:

- river banks

- water speed

- discharge

- wide or narrow

- erosion or transport

Dealing with water in the Netherlands

Floods

Flood risk in the Netherlands:

- the sea - large part of the country is below sea level

- rivers

Protected by: dikes and dunes

Water authorities 

Look at the map. The Rhine ends in the The Netherlands. This is the ... of the river.

1. Tributary
2. River basin
3. Source
4. Mouth

channelizing

Room for the river

A set of projects that has created extra space for the rivers.

Room for the river

A set of projects that has created extra space for the rivers.

Why does the Netherlands make more room for the rivers?

1. Because then the rivers can discharge more water
2. Because people need recreation areas at the rivers
3. Because the rivers then can flow in a different direction
4. Because the rivers then can silt up more

How are river discharges in the Netherlands likely to change in the future?

1. Higher peaks of discharges
2. Lower discharges in the winter
3. The discharges will stay the same

Room for the River was designed to keep the water out of the Netherlands

1. True
2. False