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What is a tsunami?
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
How do tsunamis occur?
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 onewave 500 earthquake volcano
Indian Ocean Tsunami 2004
Areas affected by the Tsunami
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
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?
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)