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The Carbon Cycle & The Carbon Silicate Cycle

The Carbon Cycle & The Carbon Silicate Cycle. Courtesy, Jesse and Sarah T. (Just pure awesome). Let’s start with the Carbon Cycle…. Forms of carbon. .038% of the atmosphere is carbon dioxide In the ocean there is carbonate, bicarbonate, and other forms of dissolved inorganic carbon

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The Carbon Cycle & The Carbon Silicate Cycle

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  1. The Carbon Cycle & The Carbon Silicate Cycle Courtesy, Jesse and Sarah T. (Just pure awesome)

  2. Let’s start with the Carbon Cycle…

  3. Forms of carbon • .038% of the atmosphere is carbon dioxide • In the ocean there is carbonate, bicarbonate, and other forms of dissolved inorganic carbon • Carbon dioxide is also in sedimentary rock such as limestone

  4. The Definition (Get ready for this one) • The Carbon Cycle is the global circulation of carbon from the environment to living organisms and back to the environment • Let’s break this up into 3 simple steps…

  5. Step 1 • During photosynthesis, plants, algae, and certain kinds of bacteria remove carbon dioxide from the air and fix (or incorporate) it into chemical compounds like sugar

  6. Step 2 • The compounds formed through Photosynthesis are used by the producers or the consumers that eat the producers for cellular resparation

  7. Step 3 • Decomposers break down other organisms and through cellular respiration return carbon dioxide back to the atmosphere

  8. Fossil Fuel • Coal, natural gas, and oil formed from remains of ancient organisms, are vast deposits of carbon compounds (I’d say these items are quite useful in today’s age) • The carbon is returned to the atmosphere when the fuels are burned (very green, wouldn’t you say?)

  9. Here’s a Nifty Picture!

  10. Now we can move on…The Carbon Silicate Cycle: What is it? The Carbon Silicate Cycle is when the Carbon Cycle interacts with the Silicate Cycle over millions years

  11. How does it start? • Chemical weathering processes • Atmospheric carbon dioxide dissolves in rain water (yum) forming carbonic acid (don’t eat that). As this weak acid moves through the soil, it dissociates to create hydrogen ions and bicarbonate ions • When hydrogen ions enter silicate rich minerals such as feldspar, they interact and release calcium ions

  12. What Happens Next, You Ask? • The calcium and bicarbonate ions eventually reach the ocean (I like the ocean, don’t you?) • Then, microscopic marine life use them to make their shell • When the marine organisms die (poor snails) their shells sink to the ocean floor, are covered by sediment, and then form very thick carbonate deposits

  13. Final Product (it’s about time) • Eventually, the deposits form sedimentary rock, such as limestone (People have used this to build for thousands of years!) • Sometimes, (lifameem in Hebrew), this rock at the bottom of the ocean will be lifted – that is why the summit of Mount Everest is made of sedimentary rock (who knew!?)

  14. And it Continues (contain your excitement) • Once the sedimentary rock is exposed, chemical weathering process returns carbon dioxide to the atmosphere and water • The cycle begins anew, so let’s go over it again (jokes)

  15. We Just Love Pictures

  16. We Hoped You Learned Something New! ( while being mildly entertained, of course)

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