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Published byJoella Greer Modified over 9 years ago
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by Michael Timperio, Ryan Pfeffer and Vincent Werkle
Sulfur Cycle by Michael Timperio, Ryan Pfeffer and Vincent Werkle
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What is it? Sulfur Cycle-global circulation of sulfur from the environment to living organisms and back to the environment.
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The most common chemical forms
Sulfur Dioxide SO₂ Sulfuric Acid H₂SO4 Hydrogen Sulfide H2S Sulfurous Acid H₂SO3
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How are they created? SO₂: volcanic activity burning fossil fuels
H₂SO3 & H₂SO4: when the SO₂ reacts with water vapor and oxygen in the atmosphere
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How is it used by living organisms?
Soil microbes make sulfur available for the plants by converting it to inorganic forms Plants take it up through the soil Secondary and tertiary obtain it by consuming Makes up around 1% of tissue in all living organisms
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What are the forms it takes in each of the spheres?
Lithosphere: Hydrogen Sulfide H2S Hydrosphere: Sulfurous Acid H₂SO3 & Sulfurous Acid H₂SO4 Atmosphere: Sulfur Dioxide SO2
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Fastest and Slowest Parts
Fastest: Combustion of Fossil Fuels leading to the oxidation of Sulfur. Slowest: When the sulfuric acid is in the atmosphere and sulfur embedded in sedimentary rock
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How have humans altered the cycle?
Acid Rain- caused by large emissions of sulfur dioxide into the atmosphere by human sources. Ex: Burning fossil fuels such as oil or coal, mining and farming (fertilizer)
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Burning Fossil Fuels When fossil fuels are burned, Sulfur is set free and oxides, making sulfur dioxide human activity and volcanic activity are the only ways sulfur gets into the atmosphere Sulfur used to be mined It now is an unwanted byproduct of the fuel industry
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How to reduce human effect ?
Understand negative effects such as acid rain Filter smokestacks and exhaust pipes rely more heavily on alternate energy, and be more energy efficient
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Fun facts about Sulfur -Sulfur is odorless
- makes up 3% of the earth's mass - Jupiter is covered in sulfur and sulfur compounds making it yellow - Penicillin is a sulfur based antibiotic
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