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Wheat Grass Topics for Science Fair Projects

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Wheat grass topics for science fair projects begins at wheat grass vs acid rain e fair ideas for science fair projects.

Name: Katelyn
Grade Level 7th

RESEARCH REPORT

Introduction: 

When two pollutants called Sulfur dioxide and Nitrogen oxide form together they create acid rain. Each year the global atmosphere is receiving 20 billion tons of carbon dioxide, 130 million tons of sulfur dioxide, 97 million tons of hydrocarbs, 53 million tons of Nitrogen Oxides, more than 3 million tons of mercury, lead, zinc, nickel, arsenic, and other toxic metals.

Some of the places that acid rain damages the most are Central Europe, Canada, Scandinavia, parts of Asia, and the Eastern areas of North America.

If acid rain has fallen on a lake it will usually appear crystal clear because the acid has killed everything in the lake. When a lake has reached a pH level of 5. 5 most clams, snails, and crayfish disappear then the empty shells soon dissolve. At a pH of 4. 5 the lake would be considered dead, no living thing can live in the water.

Some people have tried liming a lake. When you lime a lake it helps reduce the pH level of acid, but it does not restore the lake to its full potential. You can lime a lake by plane or boat. It is very expensive to do this though, sometimes ranges $250-$300 per acre of water. If it has killed bacteria, minnows, or trout it will not bring those species back and the aluminum that has come unglued can still kill the fish.  

Acid rain can also be dangerous to humans. If acid rain falls on soil it releases metals such as aluminum, copper, mercury, lead, and many other metals. These metals are only harmful if they are separated from other elements in the soil. In 1952 over four thousand people died in London because of a dense blanket of acidic fog. Mast that died were children or adults with breathing problems, because of the polluted air. If these poisons enter the body, they could burn the lung tissue, making breathing more difficult and may lead to suffocation.

Not until the late 1980’s did experts discover that the outer layer of the Statue of Liberty was being destroyed by the effects of acid rain leaving the outer layer extremely thin, weakened, and more vulnerable. Now the Statue of Liberty is scarred due to acid rain and the city’s pollution.

Acid rain is even more complex, because a lot of pollution from US factories and other power plants do not stay in the US. The Clean Air Act of 1970 have helped reduce acid rain by burning more cleaner fuels and requiring power plants to cut their sulfur dioxide admissions. Very soon other parts of countries will soon experience the acid rain damage if we don’t put a stop to it now.

 

ACKNOWLEDGEMENTS

I would like to thank the following people for helping make my project possible: