1.4: Tsunami's - part 2

• Aardrijkskunde
• Middelbare school
• vwo
• Leerjaar 2

1.4: Tsunami's- part 2

Today

• Recap
• Explanation 4.1 - part 2
  
• Videoclips
  
• Assignments 
  

What is a tsunami and how a tsunami is formed?

1

2

3

When the tidal waves enter the coastline, a tsunami is formed in three steps: 

The shallow water slows the waves down

The end of the wave catches up with the front

The wave(s) become higher

How are tsunami's formed?

Which are the place with the highest risk of a tsunami, and why?

Earthquakes

Earthquakes

Volcanoes

Volcanoes

Tsunami

Trench (kloof)

Mountains

Today

• Recap
• Explanation 4.1 - part 2
  
• Videoclips
  
• Assignments 
  

Learning goals 

• You can describe the consequences of a tsunami
• You understand why the consequences for people in poor countries differ from the consequences for people in rich countries

Why is a tsunami so destructive?

• Wave moves extremely fast, therefore no time to flee
  
• Tidal wave so strong that it destroys everything in its path 
  
• Due to damage escape routes blocked
  

Why are the consequences of a tsunami less severe (ernstig) in rich countries than poor countries?

• Rich countries have a better warning system
  
• Rich countries can build stronger dikes (dijken)
  
• In rich countries the buildings are more strongly built
  
• Due to better transport systems people can escape more quickly
  

Today

• Recap
• Explanation 4.1 - part 2
  
• Videoclips
  
• Assignments 
  

00:35

Which plate movement causes the heaviest tsunami's?

1. Divergent
2. Convergent (subduction)
3. Transform

01:40

Looking at the plate (tectonics), why is Japan an easy target for tsunami's?

01:31

Why do you think the Indian Ocean tsunami of 2004 was so deadly?

02:46

Why was the Indian Ocean tsunami of 2004 so deadly?

03:13

Why is it so hard to predict (voorspellen) a tsunami?

Learning goals 

• You can describe the consequences of a tsunami
  
• You understand why the consequences for people in poor countries differ from the consequences for people in rich countries
  

What are the consequences of a tsunami?

Why do the consequences of a tsunami differ foor people in poor and in rich countries?

Today

• Recap
• Explanation 4.1 - part 2
  
• Videoclips
  
• Assignments 
  

Working for yourself

• Read 1.4
• Finish assignments 1.4

Done? Finish assignments 1.1 - 1.3

What did you learn today?

Which concepts do you still find difficult?