By: Ryan Lewis
When King Canute, the medieval Danish King who ruled England, sat on his throne on the beach trying to halt the incoming tide it was clear that he didn’t really know his physics. He also must have felt like something of an idiot. The...
How undersea earthquakes cause tsunamis
By: Angie Lindsay
July 9, 1958 in Lituya Bay, Alaska, an earthquake caused what would be the biggest tsunami in history, with a wave reaching 1,720 feet tall. On May 22, 1960, an earthquake off the coast of Chile triggered a tsunami that killed 200 people. More...
By: Ryan Lewis
"Water, water of life..." these are the lyrics to a well-known school hymn sung by children everywhere but water really is the substance that defines life. Water is the medium in which the reactions of life take place without water there would simply be...
By: Norman Green
The organisms that inhabit the World’s oceans can be classified in two ways. Firstly, and most obviously, by what type of organism they are; be they plant, fish or whale for example. Secondly they can be classified as to where they live in the...
By: Clare Hughes
From microscopic plankton to the largest whale, the ocean has a greater variety of plants and animals than any other environment in the many different habitats it provides. Because our planet looks blue from outer space it has earned the nickname “the blue planet...
How undersea earthquakes cause tsunamis
By: Jennifer Boyd
The name tsunami comes from two Japanese words, tsu means harbor and nami means wave, so tsunami means harbor wave. A tsunami is not usually found being created in a harbor though as most often tsunamis are caused by a displacement of water caused by...
By: Nan C Avery
Amazingly, chemical elements in sea water do not work on their own. It is the action and reaction of the chemical ions that make-up the ocean's water.Seawater contains almost everything. It includes materials released from marine organisms. The most essential materials are the components...
How undersea earthquakes cause tsunamis
By: Rachael Kelly
It seems like a phenomenon. The 2004 Indian Ocean Earthquake saw a tsunami up to 30 metres high hitting coastal regions around the Indian Ocean, leading to more than 230,000 deaths. But what is a tsunami? Could such a disaster be caused by a...
Characteristics of tides
By: Clare Hughes
The periodic rise and fall of the waters in the oceans is called tides. Tides are the response to the gravitational pull of the sun, the rotation of the earth and the moon. The moon has the biggest influence on the earth’s tides, because...
By: Nan C Avery
Earthquakes are a reminder that nature is powerful. The realization that Earth constantly moves and changes is apparent when an earthquake occurs. What people see as a deadly occurrence is a part of geologic function that has continued for millions of years.Tectonic plates are...

 

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