By: Janet Grischy
A barometer measures air pressure. Because the movement of weather systems is strongly dependent on areas of high and low pressure, a barometer is very useful in weather prediction. Evanglista Torricelli invented the barometer in 1643. He was investigating the use of pumps in flooded...
What are ghost nets
By: Brenda Nelson
Ghost nets have nothing to do with the paranormal. They are the result of a greedy fishing industry and political leaders who turn the other way to the suffering and needless deaths of many animals in our waters. Ghost nets originally are intended to be...
By: Alison Bowler
Water, without it, we die and without a clean drinking water supply, we are likely to become sick. Therefore, the water processing plants around the world play an important part in people's lives. A water processing plant abstracts water either from a surface source such...
By: Christopher Chatterton
The Yellow River or Hwang Ho River as it is known in its native China, is situated in a region of the country often referred to as the 'cradle of civilisation'. The river flows through the heart of the northern territories of China and is...
By: Alison Bowler
Challenger Deep, the deepest place on earth, lies at the southern end of the Marianas ocean trench in the West Pacific. Ocean trenches, such as the Marianas Trench, mark the subduction zones where an oceanic tectonic plate dives under another plate. The Marianas Trench marks...
Why the earth will one day stop rotating
By: Paul Scanlon - 544446
We all learnt at school, that the Earth rotates on its axis, giving us night and day. We may think the length of a day has not changed, but it is getting longer by a scientifically measurable amount. However, the ultimate reason for the Earth...
By: Lynde Navarro
OUR GREATEST ENEMY The environmental catastrophe has spread some kind of undue frenzy or unwarranted fear of what might happen next, where or when. Devastating floods in India and Philippines, earthquake in Indonesia, tsunami in Samoa and global warming - These seem to be...
By: Colleen Mart
Many people eat minerals, but not many people would eat a rock. Would you eat a rock? If you eat salt or take iron tablets, you are consuming a part of a rock. Although there is a relationship between rocks and minerals, they are different...
Temperate and tropical rainforest differences
By: Rajbir Singh
Tropical Rainforest Biome The rain forest is the home to many plants, animals, and insects. About 40 percent of all birds of prey live in them and about 80 percent of the world's insects crawl around in the rainforests. The three main rainforests are...
Titanium
By: Alison Bowler
The element titanium is a silver colored metal found in group 4 and period 4 of the periodic table. The atomic number of titanium is 22 and it has an atomic mass of 47.867. It is the ninth most common element on earth but...

 

1 258 259 260 261 262 533