Essays Tagged: "Osmosis"

Biology experiment on osmosis for gcse very good got an A* as course work so do not miss out

The effects of osmosis on potatoes placed in different salt concentrationIntroduction:Osmosis is a movement of wate ... to high concentrations. That is because the low concentrated area tries to dilute the opposite via osmosis.The effects osmosis has on a cell are either that it becomes turgid and hard as water enters ... a salt solution on the amount of osmotic activity between the solution and a potato of a given size.Osmosis:Process of OsmosisOsmosis is the process of the flow of one constituent of a solution (in th ...

(15 pages) 314 2 4.2 Mar/2002

Subjects: Science Essays > Biology > Plant Biology

"Experiment to investigate the effect of osmosis in potatoes" A GCSE experiment looking at the effects of the concentration of sucrose solution on osmosis in potato tubers.

Experiment to Investigate Osmosis in PotatoesThe aim of this experiment is to investigate the movement of water in and out of ... ant cells. The cells chosen for study will be taken from potato tubers. Firstly I will explain what osmosis is. Osmosis is the passage of water from a region of high water concentration through a semi ... rgy from the plant and helps to prevent overheating.Transpiration pulls water up the plant stem but osmosis is the process whereby water is drawn into or out of cells and tissues. Osmosis is the flow ...

(11 pages) 191 1 4.7 Jan/2003

Subjects: Science Essays > Biology

Biology Osmosis

PlanningBefore actually planning the experiment, I will do some research to find out about osmosis, and matters related to it, so that I can make predictions. And figure out a way to make thi ... t how to do what, when, which should lead me to good results at the end of the experiment.HypothesisOsmosis is the passage of water molecules from a weaker solution into a stronger solution, through a ...

(7 pages) 210 3 4.6 Mar/2003

Subjects: Science Essays > Biology

Biology AT1-osmosis in potatoes.

Biology AT1 - OsmosisSkill area PAimTo investigate a factor which might affect the movement of water in and out of ... AimTo investigate a factor which might affect the movement of water in and out of cells.IntroductionOsmosis is the movement of water in and out of cell membranes, which act as semi-permeable membranes ...

(6 pages) 40 1 4.0 Oct/2003

Subjects: Science Essays > Biology

Osmosis, of potato chips, got real good mark.

Investigation into the Rate of Osmosis in Potatoes and to find out the Sucrose Concentration of the Potato.IntroductionIn order to ... o that an understanding is present and a clear process to acquire the answer can be devised.What is Osmosis?Osmosis is the process by which water molecules pass through a partially permeable membrane ... igh concentration to regions of low. This spreading process is called diffusion.Several examples of osmosis can be seen in nature that can give a better idea of what is happening during osmosis. E.g. ...

(13 pages) 118 0 4.5 Nov/2003

Subjects: Science Essays > Biology

Investigating osmosis - coursework for biology includes prediction evaluation and results

PredictionOsmosis is defined as ¡§the movement of water molecules across a partially permeable memb ... o the area of low concentration, until both sides are equal (have reached equilibrium).Knowing that osmosis will occur across a semi-permeable membrane whenever there is a difference between the water ... on) water will move across the semi-permeable membrane into the cell (lower water concentration) by osmosis, making the cell swell. This cell is now referred to as turgid. If done with potato cells th ...

(4 pages) 64 0 3.0 Nov/2003

Subjects: Science Essays > Biology

Biology Coursework: The effects of Osmosis on a potato chip in Sugar Solution

rk: Effect of Sugar Solution on Potato ChipsPlanningBefore planning the experiment, I will research osmosis, so that I can make predictions. This will help me to discover how to make this investigatio ... arry out the experiment. This should lead me to good results at the end of the experiment.HypothesisOsmosis is the passage of water from a region of high water concentration through a semi-permeable m ...

(3 pages) 51 0 4.6 Jan/2004

Subjects: Science Essays > Biology

Osmosis summary and how to set up an experiment where one could figure out the molar of unkown solutions

from an area of where there is a high concentration of them to where there is a low concentration. Osmosis is said to be the diffusion of water across a selectively permeable membrane. A membrane is ...

(2 pages) 37 0 3.0 Feb/2004

Subjects: Science Essays > Biology

Osmosis and potato chip invetigation. To determine the effect that varying salt concentration, in a solution, has upon the osmotic ability of potato chips of a given size

Osmosis InvestigationAims and ObjectivesTo determine the effect that varying salt concentration, in ... upon the osmotic ability of potato chips of a given size.Scientific Background KnowledgePut simply osmosis is defined as the net movement of water molecules, across a selectively permeable membrane, ... solated laboratory process. Many cell membranes behave as semi/selectively permeable membranes, and osmosis is a vital to their functioning. For example, osmosis is the key mechanism involved in the t ...

(8 pages) 61 0 3.0 Feb/2004

Subjects: Science Essays > Biology

An investiagtion to establish the isotonic point of potato cell sap

I have been asked to investigate the effects of osmosis on potato cell sap. I will test potato cylinders in different strengths of sucrose solution ... ze bigger than at the start. As the distilled water solutions become stronger, I expect the rate of osmosis to increase (and, as a result, make the potatoes themselves comparatively bigger at the end) ... for there to be a decrease in the mass and length of the potato, due to a reversal in the effect of osmosis.Apparatus· 6 test tubes· White tile· 1 molar sugar solution· Ele ...

(4 pages) 27 0 4.0 Feb/2004

Subjects: Science Essays > Biology

Osmosis Investigation

Osmosis InvestigationAimIn this investigation I aim to find concentration of a potato cell. I will d ... l to that on the inside of the chip.Scientific backgroundThis information is from web.ukonline.co.ukOsmosis is a special form of diffusion:the MOVEMENT OF WATERfrom a dilute solution to a more concent ... ly surrounded with the sucrose solution. Then I will leave me experiment for 30 minutes so that the osmosis may take place. Once that time is up I will take the potato out, dry it with kitchen roll an ...

(5 pages) 37 0 5.0 Mar/2004

Subjects: Science Essays > Biology

Osmosis investigation

Aim: To find out how osmosis occurs and differentiates using various concentrations of water.Variables:The variables whic ... tato chip will become flaccid and vice versa with a low concentration.Hypothesis: The definition of osmosis is: The movement of water molecules from a region of high water concentration to a region of ... efore the same number crossing the membrane causing no difference in concentration. This means that osmosis is taking place and the concentration is equal and this is called Solute potential. When the ...

(12 pages) 54 0 3.7 Apr/2004

Subjects: Science Essays > Biology

Biology investigation osmosis

Biology investigationOsmosisFor this investigation we are going to find out whether potato chips placed in a range of dif ... a range of different concentrated sugar solutions increase or decrease in mass.Background knowledgeOsmosis is the passage of water molecules from a weaker, dilute, solution into a stronger, more conc ... and weight and the cell becomes flaccid.Turgid-Flaccid-PredictionDue to my background knowledge of Osmosis I predict that the chips place in the more dilute solutions than others will gain the most w ...

(5 pages) 29 0 4.3 Apr/2004

Subjects: Science Essays > Biology

The effect on Potato in Salt Solution. J de Salles

imThe aim of this experiment is to investigate the movement of water into and out of plant cells by osmosis. The cells chosen for study will be taken from potato tubers as they provide a ready supply ... pecially adapted root hair cells, with large surface areas and thin cell walls to aid absorption by osmosis. The evaporation of water through stomata on plant leaves causes a transpiration stream, cau ...

(6 pages) 44 0 4.0 Apr/2004

Subjects: Science Essays > Biology

Investigating the concentration of Glucose inside Cell sap in potatoes Through Osmosis.

lose, and when placed in a more dilute glucose solution, the potato will gain weight.This is due to Osmosis, the movement of water molecules from an area of high concetration to an area of low concent ... ose solution in which I soaked my pieces of potato, the more weight each piece lost. This is due to Osmosis, when the concentration of the liquid in which the potato soaked in was more concentrated th ...

(4 pages) 40 0 2.3 May/2004

Subjects: Science Essays > Biology

Introduction and method of experiment on: Investigating the effects of changing salt concentration on osmosis in potato tissue

Investigating the effect of changing salt concentration on osmosis in potato tissueIntroductionI am going to investigate the effects on the weight of a 5 x 30m ... ctionI am going to investigate the effects on the weight of a 5 x 30mm King Edward potato chip when osmosis has occurred. Osmosis is the transfer of water from an area of high concentration to an area ... the chips much so I won't affect the heat.Preliminary ExperimentWe are doing an experiment to prove osmosis. To do this we are creating some chips that are on average 5mm in diameter by 30mm in length ...

(2 pages) 35 0 2.3 May/2004

Subjects: Science Essays > Biology

Finding the concentration of a Potato cell.

aim is to find the concentration (mole/dm3 (M)) of solute in a potato cell by using the process of osmosis and different concentrations of sucrose solution.Background informationOsmosis is diffusion ... ecause of the greater net movement of water going to the right from the left side by the process of osmosis.(Marveen "GCSE Biology")This diagram is of two liquids separated by a partially permeable me ...

(12 pages) 54 0 5.0 May/2004

Subjects: Science Essays > Biology

OSMOSIS

OSmosis is the movement of water through a weaker concentration to a stronger dilute concentration, ...

(3 pages) 39 1 2.0 Jun/2004

Subjects: Science Essays > Biology

An Investigation Into The Factors Affecting Osmosis

ngs you change), the thing that I will be changing in this investigation into the factors affecting osmosis, is the concentrations of the solution that helps me to investigate osmosis with potato tiss ... ependent Variable (things that you measure) the things that I'll be measuring in this experiment on osmosis is the mass change and length change of the potatoes placed in different molarities of sugar ...

(14 pages) 72 1 5.0 Jul/2004

Subjects: Science Essays > Biology > Plant Biology

Osmosis

it must be about osmosis including the aim method prediction fair test the analysis the evalution etc. and i wont it ... the evalution etc. and i wont it to be kinda long but not over the top adeola ade it must be about osmosis including the aim method prediction fair test the analysis the evalution etc. and i wont it ... s the evalution etc. and i wont it to be kinda long but not over the top adeola adeit must be about osmosis including the aim method prediction fair test the analysis the evalution etc. and i wont it ...

(1 pages) 30 0 2.0 Jul/2004

Subjects: Science Essays > Biology