Earth

How do volcano erupt?

Nov 26th, 2008 | By

Volcanoes are formed when there is a great stress inside the earth’s crust and the pressure of magma reaches so high that it finds its way upward causing an eruption. Sometimes the magma chamber breaks its sides and only reaches to the flank or summit of volcano and sometimes reaches to the surface causing an
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How do fossils get inside the rocks?

Nov 5th, 2008 | By

Fossils are the conserved remains or traces of the ancient animals, plants or other organisms. The sedimentary rock is a type of rock that is found commonly. The sedimentary rocks have several layers. Within these layers, one can find different fossils. Fossils take several thousands years to make. Over the years, the bones of the
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How deep is the Pacific Ocean?

Sep 25th, 2008 | By

Pacific Ocean is the largest of all the water bodies on the earth. It has got its name from a Latin word “Mare Pacificum” which means “peaceful sea” given by Ferdinand Magellan a Portuguese explorer. Pacific Ocean is 12999 meters deep. The deepest point in the Pacific Ocean is in the Mariana Trench. It is
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Why are polar ice caps melting?

Sep 24th, 2008 | By

This is the time of interglacial period through which we are going. During this period ice melts form the polar caps and the rate of melting has extended from its average time. The ice over the arctic region is melting which comprises of 3% of the total ice present on the earth and other is
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What causes tornadoes?

Sep 6th, 2008 | By

Tornadoes are very frequent in United States. They occur mostly during the spring and summer seasons. Nearly 800 tornadoes occur in different parts of U.S per year. Tornadoes also occur in many other parts of the world, but they are most frequent in U.S. Tornado is a violently rotating air that extends from the thunderstorm
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What causes an ocean trench?

Sep 3rd, 2008 | By

The ocean trenches are narrow topographic depressions in the sea. These trenches form the deepest points in the ocean and are the lowest points on earth. These trenches are formed at a particular place of plate boundary which is known as subduction zone. It happens to form when a plate in ocean hits another ocean
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How do earthquake form?

Aug 29th, 2008 | By

There are four layers of earth the solid inner core, the liquid outer core, the mantle, the crust. A sudden rapture in the fault can cause an earthquake. A fault is a gap or we can say fracture in the earth’s crust and it can be of any depth or length which varies from place
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Was Antarctica ever warm?

Aug 21st, 2008 | By

If you ever want to visit an icy desert than you should read more about Antarctica, which is the fifth largest continent on our planet, but still we cannot live there because of the extreme cold conditions out there. It has been surveyed that Antarctica has the coldest and driest conditions, and therefore, it is
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Why earth has seasons?

Aug 19th, 2008 | By

The main reason behind the seasons on earth is it’s tilt on its axis. Axis is an imaginary line passing through the poles. 23.5 degree angle is formed to the perpendicular of the orbit of earth and axis always points in the same direction throughout the year. Rays coming from sun hits at smaller angle
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How to reduce your carbon footprint?

Aug 9th, 2008 | By

Living a more environmental friendly lifestyle will reduce the carbon dioxide levels generated by you. There are a number of ways to live a green life. While some of them may not be feasible, you can go for a host of others and contribute positively to the environment. Moreover, a green living may cost you
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