Apr
29
2010
Mr. Willard said that we should already know about the background about ozone, but here’s a quick glance at what he was talking about: Ozone is a “global sunscreen” for the Earth. It blocksĀ and absorbs 95% of UV radiation! The ozone layer is 12 miles or 20 kilometers thick. The ozone layer exists in [...]
Apr
21
2010
Your car breathes in from the air and the fuel tank and it breathes primary pollutants out, which then are converted into secondary pollutants. The central reaction in your car starts with the reactants in the air (78% N2, 21% O2), and the fuel tank feeds fuel to the engine. However, the reactions in your [...]
Apr
20
2010
The air that we breathe is in the troposphere, the first level of air. This is where weather happens, global warming occurs, and where infrared rays are trapped. The stratosphere is the second level of the air. The highest clouds are in this section, the climate is influenced by the upper troposphere and the lower [...]