A tsunami is a series of long, high sea waves caused by a disturbance in the water. This disturbance can come about in many ways such as an earthquake, landslide, volcanic eruption, or meteorite. The size of the wave is dependent on the physical features of the coastline and the ocean floor. This short video gives a brief overview of the science behind these deadly waves.
Bridge DATA - Diatomaceous Sediments: Ooze Clues
Just as ocean beaches display a variety of sand types, the ocean floor has different sediment types. Sediments can come from land, living organisms, chemical reactions in the water column, and even outer space. When skeletal remains of microscopic organisms make up more than 30% of the sediment, it is called "ooze." In this activity, students will plot the distribution of various oozes using information from sediment maps.
The Bridge's own DATA Series is made up of lesson plans (DATA Tips) on many ocean science topics that explore the world of water using the language of science: mathematics. Learn more about the DATA Series.
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All educators and scientists interested in marine science education are invited to subscribe. The Bridge staff monitors list activity and often is able to assist in locating expertise to answer questions that teachers post to the list, as needed. The list does not provide research services for students' assignments.
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