By: Michael Totten
A champagne diamond is a diamond which has a light yellow color tint to it. Most champagne diamonds are simply white diamonds rated below K on the color scale, with D being a white diamond that is perfectly colorless. Such tinted diamonds are less...
The difference between pumice and cinder
By: Todd Hendrickson
Have you ever put volcanic lava in your mouth? You may be surprised to find out that if you've ever brushed your teeth you may have. Volcanic rocks like Cinder and Pumice are used everyday in many ways, form the roads people drive on, to...
The difference between pumice and cinder
By: Rex Trulove
Pumice and cinder are both volcanic rock. They form in a similar way and they look a lot alike. However, they are quite different in a number of ways, as well. Pumice Pumice is a rock with a high content of silica, which tends to...
Fossil fuels and the environment
By: Rita Mcconnell
Environmental issues, especially those related to the climate change phenomenon, are complex and, due to their basis in advanced science, often difficult to fully understand. However, because of the genuine environmental and ecological concerns many people have, we are often guilty of simplifying challenges and...
Volcanoes, what they do and how they're formed
By: Mister Maths
A volcano is a geological landform usually generated by the eruption through a planet's surface of magma, molten rock welling up from the planet's interior. Other forms of volcano include ice volcanoes (particularly on some moons of Jupiter, Saturn and Neptune) and mud volcanoes. On...
Volcanoes, what they do and how they're formed
By: Martin W. Schwartz
Here is the explanation of the complex geologic processes that result in the formation of volcanos:"Volcanos are defined as a "geological landform, consisting of fissure in the earth's crust, above which a cone of volcanic material has accumulated". Near Sicily is an island...
A guide to plate tectonics: How continents move
By: John Stephenson
The theory of plate tectonics and continental drift was first put forward by Alfred Wegner in 1912. Previous to this there had been various paradigms, such as the idea that the earth was flat and the belief that earthquakes and related tectonic activity were &ldquo...
Facts about volcanoes
By: Mishra Planeswalker
Everyone is familiar with the classic science fair experiment of a paper-mache volcanoe. However, seldom do people truly reflect and attempmt to understand what phenomenon is responsible for the real thing. How are volcanoes formed? How and why do they erupt? Why are they only...
History of Iceland's Hekla Volcano and chronological eruptions
By: Leigh Goessl
On April 19, 2010 rumors surfaced that the famed Icelandic volcano, Hekla, had erupted five days after Eyjafjallajokull had awakened and spewed tremendous amounts of ash causing a lot of chaos, disruption and havoc across Iceland and Europe. Fortunately Hekla did not erupt and Iceland...
By: Pauline Abreu
The earth is made up of huge flat rocks called tectonic plates. These move slowly and meet at what is called a fault, when the plates rub together a force is causing waves of energy to come to the surface of the earth. The severe...

 

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