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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…?
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.
Lesson Objectives and Overview: Tsunamis STEM teaches students about the causes and effects of these natural disasters. Students will learn to differentiate between a tsunami and other naturally occurring weather phenomena. This lesson is for students in 4th grade, 5th grade, and 6th grade.
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.
Tsunamis. What are tsunamis? Tsunamis are large and powerful ocean waves that grow in size as they reach the shore. They can cause major damage as they rush inland flooding cities and destroying homes. What can cause a tsunami? Tsunamis are caused by a large displacement of water.
The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph -- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists are seeking to reduce their destruction in the future.
1.2 Who will benefit from this information? This guide will benefit anyone who wants to know more about tsunamis, the U.S. Tsunami Warning System, and how to prepare for tsunamis.
