1.3 Volcanism (part 2)

1.3: Volcanoes - part 2
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Slide 1: Slide
AardrijkskundeMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 23 slides, with interactive quizzes, text slides and 1 video.

time-iconLesson duration is: 45 min

Items in this lesson

1.3: Volcanoes - part 2

Slide 1 - Slide

This lesson
  • Recap 
  • Explanation 1.3 - part 2
  • Task 

  • Start assignments 1.3


Slide 2 - Slide

In which three ways do plates move?
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0:30

Slide 3 - Open question

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0:30
What do you still know about volcanoes?

Slide 4 - Mind map

Why do volcanoes occur in places where there are also earthquakes?
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0:30

Slide 5 - Open question

Look at the figure and at the sayings in the green squares. Are they correct or incorrect?
Juist
Onjuist
Earthquakes at location A are more violent than at locationC
Only at location B there are no volcanoes
C is continental crust
B is oceanic crust

Slide 6 - Drag question

Volcanoes, plates move away from each other
No volcanoes
Volcanoes, plates move towards each other

Slide 7 - Drag question

This lesson
  • Recap 
  • Explanation 1.3 - part 2
  • Task

  • Start assignments 1.3


Slide 8 - Slide

Learning goal 
You know what a volcano is and what the consequences of volcanic eruptions can be 

Slide 9 - Slide

How do earthquakes form?
The areas where plates meet and where plates move towards each other are the places on earth with the greatest chance of earthquakes.

Slide 10 - Slide

How do volcanoes erupt?
Oceanic plate dives underneath the continental. Rocks and sediment melts, and due to pressure it rises up. 

Slide 11 - Slide

Why live here?

Slide 12 - Slide

Consequences of volcanic eruption?
  • Large areas become covered with ash and lava
  • Extremely hot gas clouds are formed which blast from the volcano

Slide 13 - Slide

What are the signs that a volcano is about to erupt?
  • small earthquakes
  • smoke
  • swelling
  • restless animals

Slide 14 - Slide

Volcanic eruption
The following materials come free by an volcanic eruption

  • Lava
  • Ash
  • Gas

Slide 15 - Slide

Fertile soil

Volcanic materials are very fertile (vruchtbaar) 


This is also the reason that people still live near active volcanoes (especially farmers)

Slide 16 - Slide

What are the consequences of volcanic eruptions in rich and poor countries?
  • In rich countries people can signal that an eruption is going to take place more quickly and easily.
  • In rich countries the population can be warned and evacuated more quickly than in poor countries.

Slide 17 - Slide

This lesson
  • Recap 
  • Explanation 1.3 - part 2
  • Task

  • Start assignments 1.3: 1, 2, 3 and 4


Slide 18 - Slide

Task
There has been a volcanic eruption in La Palma. Write down the questions below, you can use the internet. 

  1. When was the last time a volcano erupted in La Palma? (reken de huidige uitbarsting niet mee)
  2. How long did the eruption lasted?
  3. What are the consequences of the current volcanic eruption on La Palma?



timer
5:00

Slide 19 - Slide

Task
There has been a volcanic eruption in La Palma. Write down the questions below, you can use the internet. 

  1. When was the last time a volcano erupted? (reken de huidige uitbarsting niet mee) 1971
  2. How long did the eruption lasted? Three weeks 
  3. What are the consequences of the current volcanic eruption on La Palma? Evacuations and damaged houses, toxic materials



Slide 20 - Slide

Slide 21 - Video

Slide 22 - Link

This lesson
  • Recap 
  • Task
  • Explanation 1.3 - part 2

  • Start assignments 1.3: 1, 2, 3 and 4


Slide 23 - Slide