Topic for writing a science essay?

Topic for writing a science essay?
We have to write a 700-1000 word essay on anything about science. BUT, it has to be specific. It cant be like ”What causes air pollution”. it has to be like ”How much emission do cars produce” or something like that. Narrow and Specific.


Driving down the 101 Freeway on my way to visit some friends in Los Angeles, I suddenly came up with an idea for a paper. The idea was Air Pollution, and the idea was triggered by the enormous amounts of debris, smog, and atmospheric contents that distinctly hovered over the city before my eyes. My question was how does all this pollution form and why is it so thick over here? It all began with defining Air Pollution, which is the addition of harmful substances to the atmosphere resulting in damage to the environment, human health, and our quality of life. Air pollution makes people sick, it causes breathing problems, promotes cancer, harms plants, animals, and at the same time it’s slowly destroying the ecosystems that we live in. Air pollution is opening the gate to several other global problems such as; global warming, smog and thermal inversion, ozone depletion, the greenhouse effect, and acid rain. Those are all examples of human caused…

Electric Cars
Privately Owned Gasoline Powered
Vehicles Should Be Limited

The automobile has become a very important part of today’s society. It is a necessity to own or to have access to a car in order to keep up with all of the competition of the business world, and also one’s social demands. Most people would not be able to travel around a country or the world without this incredible machine, for it provides freedom and mobility, even for people who do not own a car. Unfortunately, the car has a very destructive nature. Automobiles make a major contribution to air and noise pollution, the depletion of fossil fuels, and the abnormalities in children and adults due to lead poisoning. Although our economy currently defends on gasoline- powered cars, it is my belief that the use of gas-powered automobiles must be limited because of air pollution, natural resources and lead poisoning.
First of all, and most importantly, automobiles are harmful to our environment…

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