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An Investigation to Demonstrate Osmosis Using a Potato. This resource hasn't been reviewed yet To
ensure quality for our reviews, only customers who have purchased this resource can review it
Report this resource to let us know if it violates our terms and conditions. GoRiKi 5 years ago report
4 Empty reply does not make any sense for the end user Submit reply Cancel Report this resource to
let us know if it violates our terms and conditions. This is due to the fact that the sugar molecules are
so much larger than the salt that there would be more salt particles in a certain space than there are in
sugar concentration. This decreases throughout the increasing molar concentration until the change is
minuscule (about 0.02g). This happened because the water always moves from a high concentration
to a low concentration. The three main types of movement are diffusion, osmosis and active transport
Revise; Activity Video Test Example results A graph of change in mass. I have also found out that a
potato contains a weak salt solution. At the 14% sucrose solution I put in two potato chips in the
same concentration, however when I was collecting my results I noticed that although the mass of
both potato chips were same at the beginning (2.2g) one of them had lost 0.2g and the other had lost
0.1g. This meant that something had gone wrong, maybe the temperature, the amount of time or the
mass. It also attracts animals which therefore disperses the seeds. We will do this by placing potato in
jars filled with different concentrations of sugar and salt solution, then taking the weights of each
before and after the experiment. However, there is a pattern on my graph, and this is, as the
concentration of the solution increases, the percentage change in mass decreases. Its diffusion of
water from a dilute solution to a more concentrated solution through a semi permeable membrane
which only allows water molecules to pass but not solute molecules. Sep 2012 Following a
coursework review by QCA, controlled assessment has been primary and secondary data and draw
conclusions Together these. The potato piece with higher sugar concentrated solution (i.e. 30%)
outside had a smaller increase in mass because; the solution outside the potato needed more water
particles to reach equilibrium. This resource hasn't been reviewed yet To ensure quality for our
reviews, only customers who have purchased this resource can review it Report this resource to let us
know if it violates our terms and conditions. Soon after I measured out 20ml using a 30ml measuring
cylinder of each of the 3 different solutions. In other words the water moves from a high
concentration (the soil) to a low concentration (the root hair cell).Water enters the plant through the
roots, the root hair cell constantly needs water to replace the water that goes through the xylem and
then osmoses into the plant cell. See other similar resources ?2.00 (no rating) 0 reviews BUY NOW
Save for later Not quite what you were looking for. This means that the water concentration of the
potato is greater that the solution concentration of water. Together, both sides will even out the
amount of water particles by osmosis. The next, 0.50 M, looses approximately 8.0 % in mass. This
shows that the salt solution has an even weaker water potential than 0.25 M and that osmosis took
place. This would ensure that I have an accurate amount of fluid in each test tube. Two page guide
sheet (Required Practical Graphic Organiser worth ?1 from my shop). Total price individually would
be ?61 but I'm having a big end of September blowout now the entire unit is complete. See other
similar resources ?3.00 (no rating) 0 reviews BUY NOW Save for later Not quite what you were
looking for. Cell membranes will allow small molecules like Oxygen, water, Carbon Dioxide,
Ammonia, Glucose, amino-acids, etc. However if I was to repeat the experiment I might well
increase the time of the result to allow more osmosis to happen and possibly find out the saturation
point of the chips. After I had done this I set stopwatch to half an hour. Call this apple strip 1 and
record down the weight in grams. Do the same for the other apple strips and then record the
information.
Therefore except for NaCl 0.10m when Salt has 2x the effect of 0.10m of sugar, Salt should always
have a high water potential. Osmosis occurs and stops when the concentration is equal on each side.
This decreases throughout the increasing molar concentration until the change is minuscule (about
0.02g). An Investigation to Demonstrate Osmosis Using a Potato. If the were anomalous results they
could have been caused by water loss in the tube or in the potato, therefore the concentration of
water outside or inside would have change. Empty reply does not make any sense for the end user
Submit reply Cancel Nadia3 3 years ago report 5 Thank you so much - this is a great resource and
saved me lots of time. Sep 2012 Following a coursework review by QCA, controlled assessment has
been primary and secondary data and draw conclusions Together these. At this point the
concentration of the solution surrounding a cell is the equal to the concentration of the solution in
the plant cell vacuole, which is the cell sap. At the point 0.00 M the line for after the experiment is
above the line for before the experiment unlike any of the others. Our customer service team will
review your report and will be in touch. ?0.00 5.00 1 review Download Save for later ?0.00 5.00 1
review Download Save for later Last updated 15 January 2021 Share this Share through email Share
through twitter Share through linkedin Share through facebook Share through pinterest Elemental
Resources 4.58 174 reviews Not the right resource. This is because the cell is fully turgid and no
more water can enter. Water can pass in due to osmosis when a cell is in a less concentrated solution.
BIOLOGY COURSEWORK: How the Concentration of Sucrose affects Osmosis in plant cells
AIM: To investigate how changing the concentration of sucrose can. To make sure I had the right
amount of everything I used a lot of equipment for example the graduating pipette, a ruler and a
weighing machine. Then the potato pieces will be removed, the surface solution removed using paper
towels and then they will be re-weighed. The apple concentration is 1.22 molar more than the potato
concentration. This is to do with the volume of water needed in the potato and the ratio of the water
concentration inside and outside the potato. If any of the non-variables below are not kept constant
it would mean it would not be a fair test. Its diffusion of water from a dilute solution to a more
concentrated solution through a semi permeable membrane which only allows water molecules to
pass but not solute molecules. Get this resource as part of a bundle and save up to 61% A bundle is a
package of resources grouped together to teach a particular topic, or a series of lessons, in one place.
When no more water can be entered we say the cell is fully turgid in other words swollen. Our
customer service team will review your report and will be in touch. ?0.00 4.00 1 review Download
Save for later ?0.00 4.00 1 review Download Save for later Last updated 29 January 2018 Share this
Share through email Share through twitter Share through linkedin Share through facebook Share
through pinterest RiaM's Shop 4.70 19 reviews Not the right resource. My insulin page will tell you
more about other homeostatic mechanisms. Sep 2012 Following a coursework review by QCA,
controlled assessment has been primary and secondary data and draw conclusions Together these. My
graph fits in with my prediction of the experiment graph. Dec 2012 Submitted as coursework for
PH240, Stanford University, Fall 2011 A third principle method of desalination is reverse osmosis, in
which pressure is used to drive water through a selectively permeable Conclusion. BIOLOGY
COURSEWORK: How the Concentration of Sucrose affects Osmosis in plant cells AIM: To
investigate how changing the concentration of sucrose can. Bundle Biology Required Practicals -
AQA GCSE Biology Trilogy Paper 1 his resource contains 5 revision mats for the required practicals
in the Biology section of the new AQA Science Trilogy paper 1. From distilled sucrose molar
solution it keeps dropping (decreasing) until it reaches to 1.60 molar, which is the point from when it
goes up nearly 10%. BIOLOGY COURSEWORK: How the Concentration of Sucrose affects
Osmosis in plant cells AIM: To investigate how changing the concentration of sucrose can.
Weigh each strip in the same order as the way done right at the start and then record down the data
under the column of final weight. These can be given after teaching the required practical,
homework or at the end of year 11 for revision before their exams. Bundle B1 - cell structure and
transport complete lessons covering kerboodle B1. Osmosis InvestigationAimIn this investigation I
aim to find concentration of a potato osmosis - coursework for biology includes prediction
evaluation and results. The three main types of movement are diffusion, osmosis and active transport
Revise; Activity Video Test Example results A graph of change in mass. This means if they were to
be placed in pure water, they would take in water by osmosis up until they burst, that is called
haemolysis, which occurs only in red blood cells. The potato would loose weight in a strong sugar
solution and it would gain weight in pure water. From right to left the first two points on the graph
are very spread out indicating that there was a large change in the mass. This will happen because the
sucrose solution being a lower concentration will move into the potato cell, which is lower
concentration. At the point 0.00 M the line for after the experiment is above the line for before the
experiment unlike any of the others. This will mean that water particles will pass through the partially
permeable membrane from side A to side B. I then stuck a label onto each boiling tubes that had the
correct molecularly strength or pure water sign written on. I hope you and your students find it helps
you with the required practicals. The three main types of movement are diffusion, osmosis and active
transport Revise; Activity Video Test Example results A graph of change in mass. This happens when
the water moves into the plant cell’s vacuole and pushes against the cell wall. I can predict this from
the results I got in my preliminary work. My graph fits in with my prediction of the experiment
graph. I think I took easily enough results for the amount of concentrations that I was using, and the
time that I used for the experiment to last was enough to allow sufficient osmosis to occur. This was
to stop any kind of contamination and made sure that I did not pass on any extra water onto the
potatMain Tables of Results for all Concentrations. Sep 2012 Following a coursework review by
QCA, controlled assessment has been primary and secondary data and draw conclusions Together
these. Although their cells are not plasmolsysed, they are not turgid and so they do not hold the
leaves up into the sunlight. The PowerPoint and accompanying resources have been designed to
cover the second part of specification point 4.2 (ii) as detailed in the Edexcel A-level Biology B
specification and water potential is included throughout which will help students to prepare for core
practical 6. This is because the water potential of the sugar solution is higher than that of the potato
chip. This liquid or hydrostatic pressure works against osmosis. Oct 2011 My results show that as the
cross-sectional area of the wire increases 3 How do the patterns in your results compare with any
patterns in the. Please rate these resources and follow me for upcoming revision mats for the other
areas of the specification. ?6.49 Reviews Select overall rating (no rating) Your rating is required to
reflect your happiness. Search results for osmosis in potato chips (594 Results) Investigating The
Effect of Different Sugar Concentration on Osmosis In Potatoes coursework doc. I have chosen to
vary the concentration of the sugar solution. If the were anomalous results they could have been
caused by water loss in the tube or in the potato, therefore the concentration of water outside or
inside would have change.
The process of osmosis takes part in the root of the plant cell, which takes in water from the soil by
osmosis. I then stuck a label onto each boiling tubes that had the correct molecularly strength or pure
water sign written on. In very dilute solutions, animal cells swell up and burst: they do not become
turgid because there is no cell wall to support the cell membrane. In concentrated solutions, water is
sucked out of the cell by osmosis and the cell shrinks. Hours and hours has gone into the intricate
planning of all of these lessons and the quality can be sampled by downloading the following lessons
which have been uploaded for free. Reviews Select overall rating (no rating) Your rating is required
to reflect your happiness. Oct 2011 My results show that as the cross-sectional area of the wire
increases 3 How do the patterns in your results compare with any patterns in the. At the 14% sucrose
solution I put in two potato chips in the same concentration, however when I was collecting my
results I noticed that although the mass of both potato chips were same at the beginning (2.2g) one
of them had lost 0.2g and the other had lost 0.1g. This meant that something had gone wrong,
maybe the temperature, the amount of time or the mass. Osmosis InvestigationAimIn this
investigation I aim to find concentration of a potato osmosis - coursework for biology includes
prediction evaluation and results. If a set of data was collected, a sucrose concentration could have
then be identified where the potato has no net gain in weight. Sep 2012 Following a coursework
review by QCA, controlled assessment has been primary and secondary data and draw conclusions
Together these. Our customer service team will review your report and will be in touch. ?0.00 5.00 6
reviews Download Save for later ?0.00 5.00 6 reviews Download Save for later Last updated 11
November 2021 Share this Share through email Share through twitter Share through linkedin Share
through facebook Share through pinterest Alicia Cogan's Shop 5.00 26 reviews Not the right
resource. This resource hasn't been reviewed yet To ensure quality for our reviews, only customers
who have purchased this resource can review it Report this resource to let us know if it violates our
terms and conditions. So it was not a fair test as one result came out a bit wrong. This will mean that
water particles will pass through the partially permeable membrane from side A to side B. Water can
pass in due to osmosis when a cell is in a less concentrated solution. When the concentration outside
the cell is higher it will decrease the mass of the apple and potato tissue. The three main types of
movement are diffusion, osmosis and active transport Revise; Activity Video Test Example results A
graph of change in mass. This is due to the fact that the sugar molecules are so much larger than the
salt that there would be more salt particles in a certain space than there are in sugar concentration.
Doing this is can see when there is minimum amount of osmosis happening and even when osmosis is
happening but the water is diffusing out into the sucrose solution instead of onto the potato. This is
because the cell is fully turgid and no more water can enter. Use the graduating pipette to accurately
measure the concentrations of sucrose solution, use 25 ml of each of the solutions-10%, 20%, 30%,
40% and 50%. It also attracts animals which therefore disperses the seeds. Students have commented
on these saying that they have found them useful tools for revision and helped them in lessons as
aids. See other similar resources ?5.00 (no rating) 0 reviews BUY NOW Save for later Not quite
what you were looking for. These are great tools for use as homework after the students have
performed the required practical or for revision before any assessments and their exams. Write a
review Update existing review Submit review Cancel It's good to leave some feedback. Join our
team of reviewers and help other students learn. After I had done this I set stopwatch to half an hour.
This leads the water to move along the root cell into the leaf, and so therefore the water constantly
moves to areas of lower water concentrations.
Dec 2012 Submitted as coursework for PH240, Stanford University, Fall 2011 A third principle
method of desalination is reverse osmosis, in which pressure is used to drive water through a
selectively permeable Conclusion. When the concentration of sucrose outside the cell is the same as
the concentration inside the cell, the mass will remain the same. This happened because the water
always moves from a high concentration to a low concentration. I am choosing this range because
my results show that between 0-20% of sucrose solution mass is gained and also lost. The
PowerPoint and accompanying resources have been designed to cover the second part of
specification point 4.2 (ii) as detailed in the Edexcel A-level Biology B specification and water
potential is included throughout which will help students to prepare for core practical 6. This method
helps me to find out the percentage of difference the result has towards the average result. This will
mean that water particles will pass through the partially permeable membrane from side A to side B.
See other similar resources ?3.00 (no rating) 0 reviews BUY NOW Save for later Not quite what you
were looking for. We will do this by placing potato in jars filled with different concentrations of
sugar and salt solution, then taking the weights of each before and after the experiment. However,
there is a pattern on my graph, and this is, as the concentration of the solution increases, the
percentage change in mass decreases. I have chosen to vary the concentration of the sugar solution.
The pressure inside the cell rises and eventually the internal pressure of the cell is so high that no
more water can enter the cell. If the were anomalous results they could have been caused by water
loss in the tube or in the potato, therefore the concentration of water outside or inside would have
change. Write a review Update existing review Submit review Cancel It's good to leave some
feedback. I then stuck a label onto each boiling tubes that had the correct molecularly strength or
pure water sign written on. Osmosis InvestigationAimIn this investigation I aim to find
concentration of a potato osmosis - coursework for biology includes prediction evaluation and
results. Water molecules are free to pass across the cell membrane in both directions, but more water
will come into the cell than will leave. An Investigation to Demonstrate Osmosis Using a Potato. The
net (overall) result is that water enters the cell. See other similar resources ?1.99 (no rating) 0 reviews
BUY NOW Save for later Not quite what you were looking for. Osmosis occurs and stops when the
concentration is equal on each side. This movement must take place across a partially permeable
membrane such as a cell wall, which lets smaller molecules such as water through but does not allow
bigger molecules to pass through. This is why I would say that the experiment wasn’t exactly done in
a completely fair way, there were some complications. This will hopefully produce more accurate
results from which I will be able to draw a more accurate conclusion. These can be given after
teaching the required practical, homework or at the end of year 11 for revision before their exams.
The net (overall) result is that water enters the cell. The contents of the potato cells shrinks and pulls
away from the cell wall. After this a placed my boiling tubes into a boiling tube holder at this made it
easier for me to conduct the experiment. This happens when the water moves into the plant cell’s
vacuole and pushes against the cell wall. I have decided that it was probably because the water
moved out of the strip which then became plasmalysed.
This KS4 Biology resource is a two lesson resource containing a ppt to take students all the way
through the Osmosis Required Practical. To make it more accurate and avoid making the errors I
could have made more concentrations for both the potato and the apple experiments, for example: -.
Please Comment if you have found useful. ?10.00 Review 5 Select overall rating (no rating) Your
rating is required to reflect your happiness. Write a review Update existing review Submit review
Cancel It's good to leave some feedback. It covers all the Biology Required Practicals: Food Tests,
Photosynthesis, Enzymes, Plant Response, Decay, Field Investigations, Osmosis etc. Two page guide
sheet (Required Practical Graphic Organiser worth ?1 from my shop). Without the use of data and
graphs, there is little analysis in this piece. Our customer service team will review your report and
will be in touch. ?2.00 (no rating) 0 reviews BUY NOW Save for later ?2.00 (no rating) 0 reviews
BUY NOW Save for later Last updated 7 April 2020 Share this Share through email Share through
twitter Share through linkedin Share through facebook Share through pinterest Mr Anderson's
Science Resources Not the right resource. So animal cells must always be bathed in a solution having
the same osmotic strength as their cytoplasm. We will do this by placing potato in jars filled with
different concentrations of sugar and salt solution, then taking the weights of each before and after
the experiment. So if the outside is a higher concentration of water than the potato, the water will
move into the potato. An Investigation to Demonstrate Osmosis Using a Potato. BBC Bitesize -
GCSE Biology - Movement across cell membranes? Bundle Topic 4: Exchange and transport
(Edexcel A-level Biology B) The wide variety of tasks that are written into the 18 lesson
PowerPoints and accompanying resources that are included in this lesson bundle will engage and
motivate the students whilst covering the detailed content of topic 4 of the Edexcel A-level Biology
B specification (Exchange and transport). Sep 2012 Following a coursework review by QCA,
controlled assessment has been primary and secondary data and draw conclusions Together these.
Taking the results I got from my preliminary work the type of graph I will be expecting will look
something like this. The molecules will continue to diffuse until the area in which the molecules are
found reaches a state of equilibrium, meaning that the molecules are randomly distributed throughout
an object, with no area having a higher or lower concentration than any other. In very dilute
solutions, animal cells swell up and burst: they do not become turgid because there is no cell wall to
support the cell membrane. So therefore this proves that the apple strip contains more concentrated
cell sap than the potato tissue. Get this resource as part of a bundle and save up to 59% A bundle is
a package of resources grouped together to teach a particular topic, or a series of lessons, in one
place. Write a review Update existing review Submit review Cancel It's good to leave some
feedback. When the take up water by osmosis they start to swell, but the cell wall prevents them
from bursting. One of the figures from both of the result is quite abnormal. I also predict that the
concentration of sucrose solution at 8% and 10% the potato chip will gain mass and the rest, 12%,
14% and 16% of sucrose solution will make the potato chip loose weight. Sep 2012 Following a
coursework review by QCA, controlled assessment has been primary and secondary data and draw
conclusions Together these. Learning Objectives on each slide linked to AQA specification. When
the plant cell has enough water we say it has become turgid. BIOLOGY COURSEWORK: How the
Concentration of Sucrose affects Osmosis in plant cells AIM: To investigate how changing the
concentration of sucrose can. This is due to the size of the sugar molecules, and they’re effect on the
water potential. As well as the potato I could have found a more accurate way to measure out the
solutions and to determine the molar concentrations.
Write a review Update existing review Submit review Cancel It's good to leave some feedback.
Write a review Update existing review Submit review Cancel It's good to leave some feedback. This
would ensure that I have an accurate amount of fluid in each test tube. Write a review Update
existing review Submit review Cancel It's good to leave some feedback. If I then have time
afterwards I will repeat this experiment again as to obtain a second set of results. Water can pass in
due to osmosis when a cell is in a less concentrated solution. This will hopefully produce more
accurate results from which I will be able to draw a more accurate conclusion. When the potato chips
were removed from the test tubes and dried I may well have dried some potatoes more thoroughly
than others and so some would have more excess water, which would add to the mass. Once this
time had passed a carefully took out the potato slices using some forceps and carefully and
accurately found the mass of each one, I then worked out the percentage change in mass and
recorded it into my results table. Sep 2012 Following a coursework review by QCA, controlled
assessment has been primary and secondary data and draw conclusions Together these. The three
main types of movement are diffusion, osmosis and active transport Revise; Activity Video Test
Example results A graph of change in mass. I then proceeded to find the mass of the potato slices
using a balance rather that measure the length of each potato like in my preliminary work. Write a
review Update existing review Submit review Cancel It's good to leave some feedback. When they
take up water by osmosis they start to swell, but the cell wall prevents them from bursting. Starting
with the apple strips, weigh the first apple strip. This will mean that water particles will pass through
the partially permeable membrane from side A to side B. Solute molecules cannot pass through the
partially permeable membrane as the particles are too big so they stay on the same side and the water
particles will travel by osmosis to whichever side needs more water. I will use 10 ml of each
concentration of sugar solution and once in the test tubes they each will be labelled. This decreases
throughout the increasing molar concentration until the change is minuscule (about 0.02g). It is the
complete package for the osmosis required practical. Oct 2011 My results show that as the cross-
sectional area of the wire increases 3 How do the patterns in your results compare with any patterns
in the. I also predict that the average concentration of salt in a potato is between 0M and 0.5M, as a
potato has a weaker concentration to a 1.00M solution. Therefore the potato needs to gain water by
osmosis. The mass of each chip will be measured as well so that more results can be obtained. BBC
Bitesize - GCSE Biology - Movement across cell membranes? If any of the non-variables below are
not kept constant it would mean it would not be a fair test. I measured and double checked
everything and then proceeded with the experiment. So if the outside is a higher concentration of
water than the potato, the water will move into the potato. This resource hasn't been reviewed yet To
ensure quality for our reviews, only customers who have purchased this resource can review it Report
this resource to let us know if it violates our terms and conditions. In concentrated solutions, water is
sucked out of the cell by osmosis and the cell shrinks. Empty reply does not make any sense for the
end user Submit reply Cancel bojolo 3 years ago report 5 Great set of resources.