Earth Science
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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By: Carolyn Tytler
"Snowflakes are kisses from heaven." Author unknown. Snow flakes don't exactly originate in heaven, but they do form high up in the atmosphere, where it is very cold. If the temperature is 32 degrees F. (0 degrees C.) or lower, tiny drops of...
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What to do if you get stuck in an avalanche
By: Edward James
Any hiker walking through snow capped mountains should ensure the correct equipment is carried at all times. At the very least the hiker should have a holdall consisting of a small snow shovel, a thermal blanket (one of the tin foil type), a radio (to...
By: Richie Mogwai
In case you’re sick of snow already, and you don’t call Sapporo, Japan, your home, this should cheer you up. The snowiest city in the world by far is the Japanese city just mentioned. If you don’t believe it, just go to...
Going green at Christmas: Should you have a real or artificial tree?
By: Christyl Rivers
To decide whether a living, cut or artificial tree to celebrate evergreen hope at Christmas is not as easy as it once was. Considerations should be made as to how far a tree must travel, whether it is grown sustainably, how it will be recycled...
Why geophysicists say Japan could be hit with 10.0 magnitude megaquake
By: Terrence Aym
The series of disasters that hit Japan may be far from over. The worst to come may be just over the horizon: a super mega-thrust earthquake that will deliver a devastating blow releasing massive destruction just short of the annihilation caused by the Chicxulub asteroid...
By: Mary Tyrer
Overfishing and Byfishing are destroying the world's oceans and aquatic life.Oceans Food Web:The definition of a food web is a complex of interrelated food chains in an ecological community. The community we need to be concerned with is the oceans of the world. The...
The four main types of solar eclipses explained
By: Joshua Horn - 257112
Solar eclipses occur when the moon moves between the Sun and the Earth, temporarily obscuring sight of the Sun. For many, they are awe-inspiring events that bring the realities of nature and the universe around us to our doorstep. There are four main types of...
When will people worldwide have enough clean, safe water to drink?
By: Irrira Rikki
Think of those whose lips are parched just for the feel of one drop of water? Then imagine if we were willing enough to sacrifice the luxuries of overflowing shelves of choice in pop-drinks and alcohol. This would be a start to help with more...
By: Joshua Horn - 257112
Anemometers are simply devices that measure wind velocity or pressure. Although they are simple in nature, the concept is very useful and provide a wealth of information to meteorologists. There is a variety of types of anemometers with their own special features and uses. How...
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