Osmosis as well as the Egg Research laboratory Report Article

OsmosisВ andВ theВ EggВ LabВ ReportВ

By: В N. В MullinsВ

Time: В JanuaryВ 20, В 2011В

IntroductionВ

ThisВ labВ wasВ designedВ toВ explainВ theВ differentВ thingsВ osmosisВ does. В OsmosisВ isВ theВ diffusionВ ofВ waterВ acrossВ aВ semiВ permeableВ membrane. В OverВ threeВ daysВ weВ testedВ theВ eggВ inВ threeВ differentВ solutionsВ toВ observeВ theВ changes. В OnВ DayВ 1, В theВ mainВ questionВ weВ answeredВ wasВ whatВ happenedВ toВ theВ eggВ whenВ itВ wasВ placedВ inВ vinegar? В BeforeВ doingВ thisВ IВ cameВ toВ myВ hypothesisВ wasВ thatВ theВ vinegarВ wouldВ eatВ awayВ atВ theВ shellВ andВ eventuallyВ dissolveВ theВ shellВ sinceВ itВ isВ anВ acidicВ solution. В ThingsВ withВ acidВ areВ corrosiveВ andВ sometimesВ poisonousВ soВ theyВ eatВ awayВ atВ things. В OnВ DayВ 2, В theВ mainВ questionВ weВ hadВ toВ answerВ wasВ whatВ happensВ toВ theВ egg'sВ massВ whenВ itВ sitsВ inВ aВ waterВ orВ saltwaterВ solutionВ forВ 30В minutes? В IВ hypothesizedВ thatВ theВ eggВ willВ loseВ gramsВ becauseВ theВ saltВ willВ makeВ theВ waterВ goВ outsideВ theВ cellВ causingВ itВ toВ shrink. В OnВ dayВ 3, В theВ mainВ questionВ weВ answeredВ wasВ whatВ happensВ toВ theВ egg'sВ massВ whenВ itВ sitsВ inВ aВ syrupВ solutionВ forВ 24В hours? В IВ hypothesizedВ thatВ itВ wouldВ gainВ massВ becauseВ ofВ howВ thickВ theВ syrupВ solutionВ was. В В В

MethodВ

Day 1​

: В OnВ dayВ weВ setВ upВ ourВ experimentВ inВ theВ firstВ solutionВ whichВ wasВ vinegar. В WeВ

hadВ toВ bringВ aВ rawВ eggВ toВ school. В MyВ partnerВ (В S. )В andВ IВ placedВ bothВ ofВ ourВ eggsВ inВ aВ cupВ andВ putВ ourВ namesВ onВ theВ cup. В IВ pouredВ vinegarВ overВ ourВ eggs. В AfterВ that, В weВ placedВ ourВ cupВ whereВ theВ teacherВ toldВ usВ to. В

Day 2​

: В WhenВ weВ gotВ toВ class, В weВ gotВ ourВ cupsВ thatВ ourВ eggsВ wereВ in. В WeВ usedВ aВ spoonВ toВ removeВ theВ eggsВ andВ rinsedВ itВ offВ carefullyВ andВ driedВ itВ withВ paperВ towels. В WeВ gotВ twoВ cupsВ forВ eachВ eggВ andВ firstВ gotВ theВ massВ ofВ theВ cupВ andВ themВ theВ massВ ofВ eachВ eggВ plusВ theВ cup. В WeВ thenВ determinedВ theВ massВ ofВ theВ eggВ aloneВ andВ recordedВ theВ data. В IВ thenВ predictedВ ifВ IВ thoughtВ theВ EggВ 1В wouldВ gain, В lose, В orВ stayВ theВ sameВ massВ afterВ itВ wasВ placedВ inВ aВ cupВ ofВ waterВ forВ 30В minutes. В Next, В IВ predictedВ ifВ IВ thoughtВ theВ EggВ 2В wouldВ...



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