By: E.M.Robinson
What is the most incredible and valuable substance on Earth? Yes, it's water.Most school-aged children know that the majority of the Earth's surface is water. It isn't until those children get a little older that they find out that 97% of the Earth's water...
The greatest snowfalls in history
By: Rex Trulove
There can be a lot of variance between the official records on snowfall amounts, and personal experiences regarding how much snow has fallen in certain periods of time. Part of this is because data collection methods have changed over the years, and also the fact...
By: Anthony Khoo
There are many natural sources of cobalt compounds, and these are mined extensively for a wide range of uses in today's medical and industrial sectors. Cobalt, unlike gold, platinum and silver, is never found in its elemental metallic form since it is reasonably reactive. Cobalt...
By: Anthony Khoo
Modern industry makes extensive use of copper compounds, and it is a substance found most ubiquitously in electronics around the home and workplace. Copper is useful because of several characteristics, namely: its very high conductivity and ductility, its low manufacture cost and its abundance in...
By: Heather Brennan
Lake and pond are terms that have no strictly defined separation. There is no universal guideline that delineates when a pond becomes a lake. There are some generally held ideas about how they differ, but it is important to realize that there are exceptions to...
Where coral reefs are found
By: Jose Juan Gutierrez
Most coral reefs are located in tropical shallow waters less than 50 meters deep, in the western regions of the Indian ocean, Pacific Ocean and Greater Caribbean. Corals thrive best in tropical waters where temperatures range from 23 to 29 °C (73 to 84...
Deepest point in the ocean
By: Jose Juan Gutierrez
The deepest point in the world's oceans is the Challenger Deep, located in the Mariana Trench in the Western region of the Pacific Ocean. In this region, the ocean reaches its deepest point at The Challenger Deep. This region got its name from the British...
By: Mac Pike
The Volcanic Explosivity Index or VEI was created in 1982 to describe the magnitude of explosive volcanic eruption in much the same way that the Richter scale describes the magnitude of earthquakes. 0 is the lowest rating and 8 is the highest. Mt. ST. Helens...
What's killing the world's coral?
By: Chris Wiegard
Coral is an essential element of the oceanic living system of planet Earth. It serves as the base of the pyramid of life in shallow salt water of the tropics, by virtue of the ability of the coral organism to build structures in which many...
How does snow form?
By: Edward James
In order for snowflakes to form, we need cold clouds. Cold clouds are in air that is at freezing point (zero degrees centigrade or thirty two degrees Fahrenheit) or below freezing. The first stage of the life cycle of a snowflake is when water vapour...

 

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