A In your copy, go investigate. 1. What is the meaning of the word tsunami? 2. Where do the majority of tsunamis occur?


3. What happens if an earthquake lifts or drops part of the ocean floor?


4. How big is a tsunami? How fast is a tsunami? 5. What is the name of the tsunami warning system?


B In your copy, give your opinion. 1. Why do you think the zone in the Pacific Ocean is called the Ring of Fire? 2. Why are tsunami waves only one metre high out in the open ocean? 3. Describe the ‘vacuum effect’ before a tsunami hits. 4. How is an earthquake responsible for causing a tsunami? 5. What would you do if you thought a tsunami was coming?


C Vocabulary: Cause and effect


Cause and effect describes how one event causes another to happen. In your copy, write about the effect of each of the following:


ƒ Emmet planted flower seeds. ƒ Dad’s car would not start. ƒ Alice was awake all night. ƒ Callum dropped an egg on the floor.


D Cloze procedure: ‘Deadly Tsunami’. Fill in the blanks. December


countries On 26 planet shock had a magnitude of 9.3. The earthquake deadliest Indian happened


2004 at 1am, the Indian Ocean earthquake occurred. The when the Indian Plate


moved under the Burma Plate and triggered a series of devastating tsunamis along the coasts of the


Ocean. 230,000 people in 14 were


killed. Coastal communities were hit with waves up to 30 metres high. It was one of the natural disasters in recorded history. Indonesia was the hardest-hit


country, followed by Sri Lanka, India, and Thailand. It caused the entire to vibrate as much as 1 centimetre and caused other earthquakes as far away as Alaska.


87


Unit 15 | Explanatory Text 2


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