By: Tim Harry
Most people will have some vague of early geography lessons when they were taught the different types of volcanoes, and the different types of rocks that make up the Earth. At the same time teachers may well have taught the difference between lava and magma...
Causes of volcanic eruptions
By: James Johnson
Volcanoes, they are fascinating forces in nature that contains more power and energy than all the bombs and power plants man ever built combined, and in just one mountain! They are amazing to watch and wonder about, and one of the things people frequently wonder...
By: Tim Harry
Highly durable and extremely beautiful granite is most prized of all rocks. Traditionally widely used as a building material, especially in ancient Egypt, today granite is more likely to be found as a countertop in a kitchen. Granite is an igneous rock and as such...
An overview of the uses of rocks and minerals
By: James Johnson
Rocks and minerals, minerals and rocks. What are they, how do they differ, and how are they used? Common questions easily found on various websites with some simple answers. Lets answer them one at a time. Definitions first! An excellent website for defining minerals and...
By: Tim Harry
Theories of a Hollow Earth have been around for centuries, and even today some conspiracy theorists believe that the world governments are covering up the existence of subterranean civilisations. Scientists now almost universally believe that the centre of the earth is not hollow, but the...
By: Tim Harry
The question “How much does the Earth weigh?” may seem like a perfectly logical one to ask, but when the answer comes back as about 100g, then it is obvious that either the question or the answer is wrong. The actual weight of...
By: Tim Harry
The formation of igneous rock is a process, that in its basic form, is taught in most schools. The scientific process though is of course more complex dealing with pressure and chemical reactions, but the formation of igneous rocks has shaped this planet. The term...
By: Tim Harry
The Richter Scale is still the most widely recognised earthquake measuring scale, and is the scale used when earthquakes are being reported by the media. This is despite the fact that for a number of years seismologists have been making use of the Moment Magnitude...
How the Chile earthquake changed the earth's axis
By: A.W. Berry
The Chilean earthquake could have changed the earth's axis if the quake caused movement of the Earth's mass inward. According to the U.S. Geological Survey, this is influenced if not caused by the interaction of two tectonic plates, separate masses of the earth's crust...
By: Elizabeth M Young
A superconductor is defined as "An element, inter-metallic alloy, or compound that will conduct electricity without resistance below a certain temperature." 1 The idea is that resistance causes energy that is flowing through the material to be lost. The theory is that electrical current...

 

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