Essays Tagged: "high water"

"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.

to tubers. Firstly I will explain what osmosis is. Osmosis is the passage of water from a region of high water concentration through a semi permeable membrane to a region of low water concentration. T ... he passage of water through a semi permeable membraneb) It is the passage of water from a region of high water concentrationc) It is the passage of water to a region of low water concentration.All the ...

(11 pages) 191 1 4.7 Jan/2003

Subjects: Science Essays > Biology

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

ood results at the end of the experiment.HypothesisOsmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration. W ... . This causes the potato to gain weight and expand. If the concentration levels of the solution are higher, the cells will lose water and cause the potato to lose weight and therefore shrink.Predictio ...

(3 pages) 51 0 4.6 Jan/2004

Subjects: Science Essays > Biology

Earth's tides. How the moons gravity and other factors affects this natural pattern.

to a battleground. These forces tug the oceans this way and that wayaround the globe, thus creating high tides and low tides.The Moon's gravity stretches the earth into an oval. The effect is so tinyt ... noticeable. At the point on the Earth directly beneath the Moon, the ocean istugged into a bulge of high water. At the same time, a second tidal bulge formson the opposite side of the planet. This is ...

(2 pages) 51 0 2.8 Jan/2004

Subjects: Science Essays > Astronomy

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

trated to a less concentrated area. This means that molecules move 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 diffusio ... e easily then others. When you have two aqueous solutions water tends to move from where there is a high amount of concentrated water to where there is a high amount of solute. This can also be said a ...

(2 pages) 37 0 3.0 Feb/2004

Subjects: Science Essays > Biology

Investigation into osmosis in potato cells.

ion to OsmosisOsmosis is a special kind of diffusion. Diffusion is the movement of particles from a high concentration to a low concentration until they are spread out evenly. Osmosis is the passage o ... ration until they are spread out evenly. Osmosis is the passage of water molecules from a region of high water concentration to a region of low water concentration through a selectively permeable memb ...

(9 pages) 76 1 3.0 Apr/2004

Subjects: Science Essays > Biology

Investigation of Osmosis

n:Osmosis is the movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration.The tiny holes in the membrane allow ... rink because water leaves their cells due to osmosis. This is because in pure water there is a very high concentration, which is a lot more than the concentration of water in the potato cells so water ...

(6 pages) 38 0 4.0 May/2004

Subjects: Science Essays > Biology

Finding the concentration of a Potato cell.

ter across a partially permeable membrane. It moves from a solution with less solute concentration (high water potential) to a solution with more solute concentration (low water potential). The one wi ... lution. On the right side there is less solute to attract the water molecules to it and so it has a higher water potential with more free water molecules; it is called a hypotonic solution. The net mo ...

(12 pages) 54 0 5.0 May/2004

Subjects: Science Essays > Biology

Better To Be Born Smarter

define the socially-challenged, yet academically-gifted populations in our schools. Taped glasses, high-water pants, pocket-protectors, well spoken and with high IQs; these are just a few of the char ...

(6 pages) 75 2 4.4 Aug/2004

Subjects: Social Science Essays

How the Rate of Diffusion is Affected by the Temperature of Water

ctionDiffusion is important in all living systems. Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration (P ... on of low water concentration (Purchon 1). Diffusion is the movement of a substance from an area of high concentration to low concentration (Biological 21).With this knowledge we tried to recreate dif ...

(4 pages) 31 1 4.7 Aug/2004

Subjects: Science Essays

Investigation to find the effect of different concentrations of sugar solutions on osmosis

PredictionOsmosis is defined as 'the movement of water molecules from an area of high water concentration to an area of low water concentration, across a semi-permeable membrane' (C ... ackets. Then put the full details of the book at the end of the course work in the 'References'In a high concentration of water the amount of solute (e.g. sugar) is low. This could be called a weak or ... lled a weak or dilute solution.In a low concentration of water the amount of solute (e.g. sugar) is high. This could be called a strong or concentrated solution.When two such solutions are divided by ...

(5 pages) 34 1 4.4 Jan/2005

Subjects: Science Essays > Biology

A GCSE essay on the effects of osmosis on potato chips in different molar solutions

Introduction:Osmosis is a special kind of diffusion.Diffusion is the movement of particles from a high concentration to a low concentration until they are spread out evenly. Osmosis is the passage o ... ration until they are spread out evenly. Osmosis is the passage of water molecules from a region of high water concentration to a region of low water concentration through a selectively permeable memb ...

(4 pages) 27 0 2.1 Feb/2005

Subjects: Science Essays > Biology

Water Potential of a Potato.

f diffusion involving only water molecules. It is defined as "The passage of water from a region of high water potential to a region of low water potential through a partially permeable membrane"Defin ... pens to the cell when water moves in and out of a cell.Water potential of solution compared to cell Higher Equal LowerNet movement of water Enters cell Neither enters or leave Leaves cellProtoplast Sw ...

(6 pages) 21 0 3.0 Oct/2005

Subjects: Science Essays > Biology

How Osmosis Affects The Weight Of Potato Chips

otato tissue.Background Scientific Information: In Osmosis is the movement of water from a place of high water concentration to a place of low water concentration through a partially permeable membran ... more water and expands in size. However when salt is added to the solution, the water potential is higher in the potato than in the salt solution so as a result the potato shrinks. The change in pota ...

(7 pages) 43 1 4.6 Feb/2006

Subjects: Science Essays > Biology

How do different sugar solutions effect osmosis in a potato chip?

low certain things to pass through it while preventing other things from passing through.An area of high water concentration is a dilute solution of the substance added to it to water to alter its con ... s concentration.Therefore, Osmosis is a name used to describe the movement of water from an area of high water concentration to an area of low water concentration through a partially permeable membran ...

(16 pages) 28 0 3.0 Jun/2006

Subjects: Science Essays > Biology

Dryland Salinity

or rain. Australia's native vegetation is adapted to the salty conditions. They have deep roots and high water use that kept the ground water levels low and the system in balance. But when European fa ...

(3 pages) 408 0 0.0 Oct/2001

Subjects: Businesss Research Papers

Osmosis AT1

Conclusion: What I have found out is that the higher the concentration of sucrose the higher up was the potato chip in the test tube. The water in ... igher up was the potato chip in the test tube. The water inside the potato is moving from a area of high water concentration to an area of low concentration so in the sugar concentrated solutions the ... erefore became turgid. In the potato chip there is the point at which the potato cell can reach its highest point of turgidity. The trends or patterns that I have found out are that with each of the e ...

(3 pages) 1290 0 3.0 Nov/2001

Subjects: Science Essays > Biology

Climate Project

I recorded datum from various tide heights and cross-referenced these numbers to historical data.1. High sea levels The 1997-98 El Niño increased sea levels along the entire coast of British Co ... levels by about 10 to 20 centimeters in winter. The gravitational pull of the moon and sun sets up highest tides in British Columbia in December and January.The strongest sea level rise at Point Atki ...

(6 pages) 17 0 5.0 Feb/2008

Subjects: Science Essays > Chemistry

Climate Project

I recorded datum from various tide heights and cross-referenced these numbers to historical data.1. High sea levels The 1997-98 El Niño increased sea levels along the entire coast of British Co ... levels by about 10 to 20 centimeters in winter. The gravitational pull of the moon and sun sets up highest tides in British Columbia in December and January.The strongest sea level rise at Point Atki ...

(6 pages) 657 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Mormons - Key Beliefs and Teachings

likely the most striking feature; the font is able to accommodate several people standing in waist high water.The proxies are usually a group of teenage boys who have come to the temple in a group fo ... he church. Those who receive this ordinance are guaranteed of their salvation and exaltation in the highest degree of the Celestial Kingdom. The man is anointed as "priest and king" (the wife is anoin ...

(7 pages) 23 0 2.0 Mar/2008

Subjects: Humanities Essays > Religion & Faith

Amazon River Incs

Executive SummaryExotic Adventures Inc. (EAI) operate excursion-like voyages during the high water season along the full passable length of the Amazon River; including Belem, Brazil on the ... profit of $396,000.BackgroundExotic Adventures Inc. (EAI) operate excursion-like voyages during the high water season along the full passable length of the Amazon River; including Belem, Brazil on the ...

(5 pages) 0 0 0.0 Feb/2013

Subjects: Businesss Research Papers