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Lesson 4- Tsunami

What is an tsunami?

tsunami is a large ocean wave usually caused by an underwater earthquake or a volcanic explosion. ... Tidal waves are caused by the forces of the moon, sun, and planets upon the tides, as well as the wind as it moves over the water. With typical waves, water flows in circles, but with a tsunami, water flows straight.

1. Use the link to find out more about tsunamis.

2. Research the 2004 tsunami and complete the worksheet in your packs. 

Use the video below to help you.