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Tsunamis begin in the middle of the ocean and gain tremendous size and power by the time they reach shore. Tsunamis can wipe out entire coastal villages or towns. Earthquakes, landslides, or volcanic eruptions can trigger waves in a nearby ocean. These waves may travel for thousands of miles.
To recap, the lesson provides a diagram to explain how a tsunami forms. Rapid movement of the ocean floor displaces a column of water. A series of waves travel outward and fairly low heights of around three feet.
A tsunami (soo-NAH-mee) is one of the world’s most powerful and destructive natural forces. They can speed across the ocean as fast as a jet plane, swallow up islands and wipe out villages. But what causes tsuamis…?
Do you know what exactly makes a Tsunami happen? Or do you know what exactly Tsunami is? We explain this and feature lesson plans, worksheets, and puzzles on Tsunamis.
OBJECTIVE: For students to learn that tsunamis can be caused by earthquakes and to understand the effects of tsunamis on the shoreline. MATERIALS/RESOURCES NEEDED: 2-liter plastic soda bottles. Small gravel (fish tank gravel) Water source. Empty water bottle (16 oz) Overhead projector. Transparency of Tsunami Facts.
How do tsunamis form? Here’s how one of Earth’s most destructive forces come to be, in five steps. Luis Villazon. 1. Activation. A tsunami begins far offshore, with an earthquake, volcanic eruption or landslide. The sudden movement on the seabed displaces the water above it.
The UNDP ‘Tsunami Story Books’ is a series of illustrated real-life stories from the Asia-Pacific region that aims to help children better understand the magnitude of a tsunami and how to be prepared.
