Microscope Lesson Labs - West Contra Costa Unified School .

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ct:SWBAT1. Identifypartsandfunctionofamicroscope,2. Useamicroscope,3. nder2to3magnifications,4. Correctlydrawandlabelobjecttheyareviewing5. Identifycellstructuresofcheekcell.6. dard(s):CaliforniaState,Science,Grade7 rganisms. es/Materials:1. PowerPoint2. Slides3. Water4. LabNotebooks5. Toothpick6. Microscopes7. Elodealeaves(purchaseatpetstore)8. Newspapers9. ers,therearethreelabs.1. Howtousethemicroscope2. Cheekcells3. Plantcells(elodealeaf)Assessment:1. fmicroscope.2. ated.3. Labbookwriteupoflabs.Page 1 of 8MCC@WCCUSD 09/07/13

Lens8.Stage12.StageClipsPage 2 of 8MCC@WCCUSD 09/07/13

NamePeriodDateMicroscopeStudyGuideHere is a microscope with the major parts named. You may use this page to helpyou familiarize yourself with the parts of the oscope.Adjustment mechanisms (Course Focus/Fine Focus) - an apparatus that moves theoptic tube up and down to focus on the specimenArm - portion of microscope that connects the body to the baseBase - a stable bottom for the microscope to stand upright (not labeled)Iris Diaphragm – Allows light to settle onto slideOcular Lens or Eyepiece - lenses at the viewing end of a microscope or telescopeLenses or Objective - lens at the end of a microscope nearest the objectStage - a platform on top of the base of the microscope on which specimen are placedStage Clip – clips on top of stage that allow you to secure the specimen or slide.Revolving Nosepiece – a portion of the microscope that allows you to switch back andforth between lense powers.Power Switch – on/off button that powers the light.Projection Lens – the source of light used.Page 3 of 8MCC@WCCUSD 09/07/13

: Tofindspecimensusinglowandhighpower. )1. eup.2. AddONE(1)dropofwaterontopofthe“e.”3. Ata45 igureA.4. slideinFigureB.5. down6. BFIGURECI.AnalysisQuestions:TheLetter“e”Page 4 of 8MCC@WCCUSD 09/07/13

1. ifferfromthewayan“e”normallyappears?(4pts)2. ?Up?Down?(4pts)3. henormalview?(4pts)4. in?(4pts)IV.Conclusion:MicroscopeLab1. MICROSOPESTURNEDOFFPage 5 of 8MCC@WCCUSD 09/07/13

NamePeriodDateObjectiveCheekCellLabGoals: Tofindspecimensusinglowandhighpower. Toobservehumancheekcells.II.Procedure:CheekCell1. Placeasmalldropofiodineontoacleanslide.2. ertocoverallsidesofthetoothpickwithcells.3. tainsthecellssothatyoucanseethem.4. ureD.5. hpowercheekcell.II.Analysis:CheekCell1. Whydidyouaddiodinetoyourcheekcells?(4pts)2. pts)3. IV.Conclusion:Microscope/CellLab1. s)Page 6 of 8MCC@WCCUSD 09/07/13

als: Tofindspecimensusinglowandhighpower. Toobserveplantcells.III.Procedure:TheLeaf1. Placeadropofwateronacleanslide.2. lip.3. :TheElodeaLeaf1. Wasanythinghappeninginyourcell?(4pts)2. s)3. Whatstructureswereonlyintheleafcell?(4pts)Page 7 of 8MCC@WCCUSD 09/07/13

IV.Conclusion:Microscope/PlantCellLab1. s)2. ESTURNEDOFFPage 8 of 8MCC@WCCUSD 09/07/13

Adjustment mechanisms (Course Focus/Fine Focus) - an apparatus that moves the optic tube up and down to focus on the specimen Arm - portion of microscope that connects the body to the base Base - a stable bottom for the microscope to stand upright (not labeled) Iris Diaphragm –

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