concentration of sucrose solution on osmosis in a potato. Preliminary Experiments One preliminary experiment was done before the main experiment. From the preliminary‚ we were trying to find out how osmosis actually occurred in potatoes‚ and gave us a vague idea on what the main experiment would be like. This preliminary will aid my prediction‚ which is stated below. The following apparatus was used for the preliminary: * 1 large potato (skin intact) * 3 boiling tubes * Set
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EXPERIMENT: TESTING OSMOSIS WITH A POTATO |LAB DATE: NOV. 23rd / 2012 | |CLASS: Y-11-C |PERIOD:C | OBJECTIVE The weight of the potato slices will increase‚ decrease‚ or remain the same? HYPOTHESIS There will be no net movement of water molecules into or out of the potato. MATERIALS LIST |Large potato
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IB Biology Potato Lab Table 1: Trial Number | Concentration of Sucrose Solution (M) ±0.2 ml | Initial Mass of Potato Core Slice(g) ±0.1 | Final Mass of Potato Core Slices (g) ±0.1 | 1 | 0.0 | 7.7 | 9.3 | 2 | | 6.0 | 8.1 | 3 | | 6.2 | 7.4 | 4 | | 10.2 | 13.2 | 5 | | 8.7 | 10.3 | 6 | | 4.9 | 6.0 | 7 | | 9.2 | 10.4 | 1 | 0.2 | 5.8 | 6.0 | 2 | | 11.6 | 12.1 | 3 | | 2.5 | 3.1 | 1 | 0.4 | 14.4 | 13.9 | 2 | | 2.6 | 2.8 | 3 | | 8 | 6.5 | 1 | 0.6 | 7.3 | 5.3 | 2
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Observing Osmosis in Potato Cells Planning Purpose: To observe the effect of osmosis on plant cells. Hypothesis: The higher the salt content of the water‚ the lower the mass of the potato. Variables: Independent: the salt percentage of the solution Dependent: the weight of the potato in grams Controlled: the amount of water the length of time between measurements the method of measuring the type of plant cells tested Equipment: (as seen on 2A Human Biology task sheet)
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area of low concentration of water molecules (high concentration of dissolved particles). It is difficult to observe osmosis at the cellular level since cells are very tiny and can only be seen with a microscope‚ so you are going to use sticks of potato tissue in solutions that have different concentrations of dissolved substances to observe the effects of osmosis on living tissue. There are three basic relative concentrations of solutions. An isotonic solution has a concentration of dissolved particles
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TOY: MR. POTATO HEAD! Since the time of my childhood I have been exposed to hundreds of toys and games. However‚ only a few stand out in my memory and even fewer still remain in my possession today. There are many toys in America‚ which are known by all ages‚ nationalities‚ and social classes. Toys such as Barbie‚ Legos‚ Cabbage Patch Kids‚ GI Joe‚ and many more are well known commodities‚ which have been in existence since before my time. Although there are numerous toys I can remember
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people understand to this day. The movement of the resettlement is central to canadian history‚ from aboriginal people‚ whose ancestors. The history of immigration to Canada extends back thousands of years. The three topics of the waves are‚ The Irish potato famine in 1820-1850. It was the Great Hunger was a period of mass starvation‚ The causes upon what happen there was a disease going around and it got around the colony. The second incident was the europeans in 1860-1920. It was when the europeans
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I. The Irish Potato Famine was a catastrophic event in Irelands history. Almost a million people died during this harsh time. They had lost their main food source and barely had food for one person let alone their families witch consisted of 5-7 people on average. At the time they were considered a part of Britain but Britain did not help much during their crisis. The Irish Potato Famine of Ireland in 1845 resulted in a great population loss‚ a changed economy‚ and a substantial emigration of citizens
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National Income (Contd.) Methods used to measure National Income Calculating National Income There are various methods for calculating the national income such as production method‚ income method‚ expenditure method etc. Income Method: Different factors of production are paid for their productive services rendered to an organization. The various incomes that are included in these methods are wages‚ income of self-employed‚ interest‚ profit‚ dividend‚ rents‚ and surplus of public sector
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Title: Potato Osmosis Abstract: In this experiment was designed to study the effect of a concentrated solution applied to white and sweet potatoes. The solution’s impact among the potatoes were to be either hypertonic‚ hypotonic‚ or isotonic. The potatoes were first cut into fries with a fry cutter‚ and then weighed after being cut. The white and sweet potatoes’ weights ranged from .005-.015 grams. A total of 18 sugar solutions are to be made over the course of 3 trials. In each trial‚ 6 different
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