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Group 4 Journal. Our process was an industrial one called Aquaponics. Aquaponics is basically the combination of aquaculture (raising fish in a tank) and hydroponics (cultivating plants in water).

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Introduction

´╗┐Graduate Year 2012 Your Name Cherno Okafor Partner?s Names Aline Le, Asim Datye, Baljot Kalsi, Janani Nirthanarajah, Kabeer Karzai Group 4 Project Journals ________________ In order to determine that everyone has participated and contributed, each member of every group is required to submit an individual G4 Project Journal that will be sent to the IBO. Please include Dates of discussions and Names of individuals and detail the ?minutes? of your meetings. Remember, in order to justify 10 hours of IA you must document at least 10 hours of work Overarching Topic: ?Industrial/Commercial Process? 1. PLANNING STAGE Explain all of the finalised details of your specific Planning What is the process? Our process was an industrial one called Aquaponics. Aquaponics is basically the combination of aquaculture (raising fish in a tank) and hydroponics (cultivating plants in water). It can be used in the farming industry as farmers use it to farm at a large scale (acres). Also people harvest a vast amount of edible fish from this closed ecosystem. With that in mind, we would grow fish and plants together in one integrated system and test the chemistry of the water in relation to different elements present in the system, such as: Ammonia, nitrites, and nitrates in a nitrogen cycle. Then we would investigate the biological impact on the entire system in regards to the fish waste inside and how it provides a food source for the plants and the plants provide a natural filter for the water in which the fish live. ...read more.

Middle

For example, when you drink soda through a straw, you may feel like you are pulling on the water, but you actually aren?t. What you are actually doing is removing some air from the space inside the straw and above the water, so that the air pressure in that space drops below atmospheric pressure. The water column near the bottom of the straw then experiences a pressure imbalance: the usual atmospheric pressure below it and less-than-atmospheric pressure above it. That imbalance then provides a modest upward force on the water column and pushes it up into your mouth from high pressured area to low pressured area. However this is different for a much longer straw as you will need to suck harder. That?s because as the column of water gets taller, it gets heavier. It needs a more severe pressure imbalance to push it upward and support it. You?ll need to suck every bit of air out from inside the straw because the pressure imbalance needed to support a tall column of water is approximately one atmosphere of pressure. To get the water to rise higher in the straw, you?ll need to install a submersible pump at the bottom. This pump increases the water pressure to more than 1 atmospheric pressure, so that there is a bigger pressure imbalance available and therefore the possibility of supporting a taller column of water. ...read more.

Conclusion

Contributed to the project by observing the behaviour of the plants and plant growth in the system over the course of a 16-day period and the bacteria and nutrients being consumed or released by the plants 2. Helped with the poster ideas and pasting Cherno Okafor: 1. Contributed to the project by researching the physics component of the submersible pump and extracting an online submersible pump lab 2. Helped with the poster ideas and pasting Janani Nirthanarajah: 1. Contributed to the project by researching and observing the nitrogen cycle (levels of nitrite, nitrate, and ammonia) over the course of a 18-day period and also the chemistry of water 2. Helped with the poster ideas and pasting Kabeer Karzai: 1. Contributed to the project by researching and observing the nitrogen cycle (levels of nitrite, nitrate, and ammonia) over the course of a 18-day period and also the chemistry of water 2. Helped with the poster ideas and pasting 1. Only when this has been agreed upon can we enter b) which requires everyone to spread themselves out. Give a mark out of 30 (10 for the field work, 10 for research and poster creation, and 10 for presentation) for each member of your group, including yourself. Name Lab work/Research Poster Presentation Total Cherno Okafor 9 9 9 27 Kabeer Karzai 10 10 10 30 Asim Datye 10 10 10 30 Baljot Kalsi 10 10 10 30 Aline Le 10 10 10 30 Janani Nirthanarajah 10 10 10 30 ...read more.

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