2. What is a Tsunami?

3. What is a Tsunami?
 Tell your neighbour what you think a
Tsunami is and what causes it.
 Watch this short video explaining Tsunamis.

4. Lesson objectives;
 To learn how Tsunamis are caused and how
destructive they can be.
 To look at the Indian Ocean Tsunami as a case study.
 Key words:
 Richter scale
 Tsunami
 Causes
 Effects
 Primary and secondary
 Indonesia
 Sri Lanka

5. How do tsunamis occur?

8. Japan Tsunami
reaching the
shore here

9. What is a tsunami?
 A Tsunami is a giant _____ or series of
waves usually caused by an _________ or
_____on the sea bed. As the tsunami travels
through _____ water the wave may be less
than ____ metre in height but it can reach
______ of up to _____ mph. When the wave
nears the _____ it _____down and quickly
increases to a height of ____ meters or
more before _______ onto the coast.
 crashing 15 slows land
deep speeds one
wave 500 earthquake volcano

13. Indian Ocean Tsunami 2004

20. Areas affected by the Tsunami

25. Model Making
 Using the play dough model a Thai fishing village, a hotel resort and the height
of the wave…try and be as accurate with your scale as possible.
3 metres
4 storey hotel – 10 metres
15 metres

26. Model Making
 What did your model show to you?
 How hard was it to make?
 What would some of the effects be of a
wave this size?

27. You’re the TV presenter!
 You are going to see a short clip of film just
over a minute long.
 You need to imagine you are the presenter
and you are going to write the script in your
exercise books!
 Thankfully you have a co-presenter who you
can work with – they are in the desk next to
you.
 Video (from 35 – 1.52)

28. You say we pay
 Tsunami
 Water
 Plates
 Beach
 Thailand

29. You say we pay
 Wave
 Earthquake
 300
 Boxing Day
 Sri Lanka