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Lava Flows Earth Crust
1,090 wordsVolcano: defined is a mountain or hill formed by the accumulation of materials erupted through one or more openings (called volcanic vents) in the earth's surface. The term volcano can also refer to the vents themselves. Most volcanoes have steep sides, but some can be gently sloping mountains or even flat tablelands, plateaus, or plains. The volcanoes above sea level are the best known, but the vast majority of the world's volcanoes lie beneath the sea, formed along the global oceanic ridge sys...
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Sodium Chloride Earth Crust
745 wordsSodium has an atomic number of 11 and a mass of about 23 g. It is a silvery white-metallic element classified under the alkali metals. Sodium has been known since early times and was used by the people of Mesopotamia and Egypt to make glasses. Sodium is the sixth most common element found on the earth. It is usually not found in nature but more often in compounds such as salt (NaCl). Sodium conducts heat and electricity easily. Without this element life could not exist. Each compound is used for...
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Earth Crust Molten Rock
372 wordsHow Are Mountains Formed? Mountains are formed over long periods of time by forces of the earth. Mountains just don't appear in any place. Most are formed when plates, or huge pieces of the Earth's crust, pull and push against each other. Great mountain ranges are formed by the movement of tectonic plates. Convection currents deep in the mantle of the earth, begins to well up towards the surface. As the pressure increases, it sets the crustal plates in motion. There are different kinds of mounta...
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Earth Crust P 64
487 wordsMy element was Thallium. It is atomic number 81. It has 81 protons and electrons and 123 neutrons. Thallium has a mass of 204. 3833 atomic mass units. Its symbol is Tl. It resides in Group IIIA of the periodic table. That is the aluminum family. Thallium has a bluish color after exposure to the air. It is a very soft and malleable metal. It has an electron configuration of 1 s 22 s 23 s 23 p 64 s 23 d 104 p 65 s 24 d 105 p 64 f 145 d 106 s 26 p 1. It has 6 electron shells. It melts at 576. 7 K a...
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Miles Per Hour Natural Disasters
1,094 wordsNatural Disasters The natural disasters have existed since the world creation. The description of the first disaster, the Noah's Flood is given in the Bible. That was the Creators will to send the first flood to the man. Nowadays the natural disasters occur now and then in the various parts of the globe. Natural disasters are caused by the natural cataclysms. Natural phenomena may turn to a disaster. The disaster may be defined as Calamity caused by nature resulting in loss of life or destructio...
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