AHP216 04/16/13 I. Introduction: The purpose of this experiment is to observe the osmosis reaction in a potato with salt and water. In cooking cooks will soak their cut potato’s in water if they will not use them immediately. This allows the potato’s to be used later without turning color. The experiment shows the flow of water through the membranes of the potato with salt over a period of four hours. II. Objective: The reaction of the potato to the side submerged in water and the half excavated
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“A Raisin in the Sun‚” by Lorraine Hansberry has many connections with the previous books we’ve read. “Of Mice and Men‚” by John Steinback mainly focused on dreams‚ similar to “A Raisin in the Sun.” Jane from “Jane Eyre” also is very similar to Beneatha from‚ “A Raisin in the Sun.” They are both independent and feminist women. The theme in “Native Sun” was mainly about racism. This effects many important things in the story. This had the same kind of theme as “A Raisin in the Sun.” It contrasts
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Madeleine Blanchard October 29th 2014 English 8-6 Mr. Chupka Fifty-six years ago A Raisin In The Sun exhibited many of life’s struggles during the fifties time period‚ but current society faces these same dilemmas. Six decades have proved that little change has been made in the areas of racism‚ abortion and poverty. In some ways the Younger family and the issues they dealt with in the play represent a microcosm of America today. Whether the topic is how abortion is still constantly making headlines
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1. When does Act III begin? What are Walter and Beneatha doing? When Asagai ar rives at the apartment‚ how does his mood contrast with Walter’s and Beneatha’s? 2. How has the loss of the money changed Beneatha’s optimism? What does she tell Asagai? What is Asagai’s response? 3. Throughout this scene‚ the stage directions say Walter is listening to Beneatha and Asagai talk. What is Walter’s reaction to their conversation? 4. How does Asagai define idealists and realists? Which group does he
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1. Dancing Raisins Here’s another quick and easy science experiment. All you need is a glass of clear soda‚ such as ginger ale or club soda‚ and several small raisins. Fill a glass with soda. Leave about ½ inch (12.5 mm) of space at the top. Drop the raisins in. Those tiny bubbles attaching themselves to the raisins are carbon dioxide (CO2) bubbles. The irregular surface of the raisins enables a lot of CO2 to accumulate. When enough gas bubbles attach to the raisins‚ they act like tiny balloons
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Lorraine Hansberry’s A Raisin in the Sun portrays an African American family during the 1950s in conflict over money. Walter‚ Benita‚ and Ruth were the main characters that showed there greed over Mama’s deceased husband insurance money. This subject became a dilemma with the Younger family. There were arguments‚ fights‚ and people becoming stressed over something that were not theirs. The greed of money almost tore the Younger family apart. Each family member’s selfish desire for the use of the
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A Raisin in the Sun: The play that changed a generation If you’ve ever thought about black history‚ chances are you may have heard of A Raisin in the Sun. Set in the south side of Chicago the story of Walter Younger and his family Ruth‚ Travis‚ and Lena. This story has many connections to the events that was happening at the time of the 1950’s. The author Lorraine B‚ thought this story would not be successful‚ But instead a deep look at society "all art including theater‚ is related
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Lab Report Purpose: Osmosis and diffusion through potato core in different concentration (viable) : The concentration of solution in a solution will affect the movement of water across potato cell membrane Material: Potato core Sucrose solution (0.2‚0.4‚0.6‚0.8‚1.0) Electronic Balane Test tube and rack Scalpel Plastic Weighing tray Cork Borers Method: Day 1 use you cork borers to bore 6 vertical hole on your potato. remove the potato cylinders from
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Information Osmosis is one of the four methods of moving particles across membranes along with simple diffusion‚ facilitated diffusion‚ and active transport. Water is able to move in and out of most cells freely. Sometimes the number of water molecules moving in and out is the same and there is no net movement‚ but at other times the molecular movement from one direction exceeds the movement from other direction and creates a net movement. This net movement is called osmosis. Osmosis is due to differences
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Introduction The purpose of this experiment was to demonstrate osmosis. Osmosis is the diffusion of water across a selectively permeable membrane (Bell et al 2004). Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration (Brown 1999). Hypertonic is the solution with a higher salt concentration. Hypotonic solution is the solution with the lower salt concentration. My hypothesis is that the potato core will increase in size. When the solution is
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