As a bonus, we had friends try out several experiments with us.
By Courtney Veyrasset and Lauren Haus Abstract The purpose of this experiment is to examine the concept of osmosis, specifically, how osmosis works. We will use gummy candies and place them in different solutions with higher osmosis.
Our hypothesis, based on the mechanics of osmosis, will be that solutions with higher concentration of water molecules than the concentration of water molecules contained in the gummy candy will expand the gummy candy because water from a higher concentration will move towards an area where water is at a comparatively lower concentration.
Vice-versa, if we place gummy candies in solutions where there is less concentration of water molecules compared to the water molecule concentration in the candy, the candy will shrink.
The type of solutions with varying water molecule concentration will represent our independent variable.
The measurement of the candy after several days soaked in the solutions will represent our dependent variable. Each candy and time Gummy bear experiment it will soak in the solutions will be the same. As predicted, the candies increased and decreased according to the type of solutions in which they were soaked.
Specifically solutions with greater water molecules than that contained in the candies such pure as pure water and baking soda water solution created candies that were larger than the original size. We concluded that water molecules moved into the permeable candy membrane.
On the other hand, candies soaked in solutions with less water molecule than that contained in the tummies created candies that were smaller than the original size. WE concluded that water left the candy.
A solution with no water molecules isopropyl alcohol did not change the gummy size as expected. The alcohol served as our control factor. In conclusion, this short and easy experiment highlighted a natural process that is important to many biological and natural functions.
The experiment showed that osmosis does not require energy to occur which is important because in biology and the world in general, energy consumption is important key to determine if a process occurs spontaneously or not.
Osmosis is a process that people can take advantage of and we do and with man applications. Introduction Osmosis specifically, the diffusion of water, is an important natural process for cellular activity. This experiment will focus on the concept of diffusion particularly how it operates.
The experiment will use several different solutions to show various levels of diffusion. The solution will act as the independent variable. The gummy candies will be soaked in the various solutions for an equal amount of time and ten they will be measured by length to see if they had shrunk or grown.
The candy measurement will act as the dependent variable A solution containing isopropyl alcohol will be used as the control variable as it does not contain water in the solution.
Osmosis is a natural process where water will go from high concentration to low concentration.
It is an important biology process for cellular activity. Animal cells, including human cells, have semi-permeable membrane so that things can go inside and outside a cell. Water is a fluid that needs to be able to enter and exit a cell.
Cells will use the process of osmosis to do this. Animals will use a similar process to osmosis called chemiosmosis to produce energy during cellular respiration.
Osmosis is so important because it does not require energy for it to work. A similar study to this experiment was done to examine the concept of diffusion and osmosis. The study looked at water movement by placing water into two-sectioned vessel separated by semi-permeable material. One section had a higher concentration of sugar compared the other section.Hing Deng IB Chemistry SL 3/21/10 6th period Introduction: In this experiment, the amount of calories in a gummy bear is being tested.
This is done so by using the potassium chlorate to heat up the water and dropping the gummy bear afterwards into the mixture to see how much heat it would conduct.
Exploding gummy bears is an experiment best suited for high school students in a chemistry lab. Potassium chlorate is required for this experiment so caution must be exercised.
For this experiment students will need a test tube with holder, a gummy bear, latex gloves, tongs, 10 grams of potassium chlorate and a torch. PULLING IT ALL TOGETHER: What happened in our gummy bear lab?
Explain a) how we set up the lab, b) the change in Explain a) how we set up the lab, b) the change in mass in the gummy bears, and 3) why this occurred. The length of your gummy bear should be measured from the top of its head to the bottom of its feet to the nearest tenth of a centimeter.
Measure the width at the widest point across the back of the bear to the nearest tenth of a centimeter. The gummy bear we put in vinegar did expand, but lost all of its gummy bear shape and just became a blob. We believe that the acid in the vinegar dissolved the gummy bear completely.
This experiment was so easy and so much fun, the kids loved it and it was awesome to . The Great Gummi Bear Experiment What follows is the hard work of some co-workers from my old institute. Gummi bears expand when soaked in water Abstract: Food items that get caught in the throat are a common cause of concern and irritation.
It can often lead to worries of esophageal cancer or cause restriction of breathing.