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The Problem: I am going to find out how temperature can affect the rate of reaction. Background information: Factors that change the rates of reactions are: ? Temperature ' an increase in temperature will make the reaction occur faster. This happens because the particles of that substance move faster when it is heated. Because...
Growing Transitions 3 I Introduction In the United States of America, one to three percent of the school age population have the full attention deficit (hyperactivity) Disorder syndrome (Internet site 1). This numerical figure may not seem to convey a need for enlightenment on this disability. As an attention deficit disorder child (...
Could an exploding star have been responsible for the death of the dinosaurs? This idea has become popular again as an explanation for the disappearance of the dinosaurs. An exploding star can blast material enormous distances into space. If this material reached Earth?s atmosphere, changes may have occurred that were harmful to life....
The eucalypt is one of the tallest trees in the world. There are more then 600 species of eucalypts in Australia. Blackbutt, jarrah, karri, stringybark, ironbark are common names of eucalypts that grow in various parts of Australia. More than ninety per cent of Australia's trees are eucalypts. WHAT IS THE EUCALYPT LIKE Eucalypts can b...
Acid Rain Acid rain is a term which is used to describe a variety of processes which might more accurately be referred to as acidic deposition. Natural rainfall is slightly acidic due to dissolved carbon dioxide, picked up in the atmosphere. Organisms and ecosystems all over the planet have adapted to the slightly acidic nature of normal...
