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分类树叶的种类——幼儿园中班优秀科学教案Introduction:The naturalworld isfilled withfascinating objectsthathave alwaysintrigued peopleof allages.Trees aresome ofthemost prominentand beautifulnatural objects.The leavesof trees areamong themost diverseand interestingobjectsin nature,and childrenare alwaysfascinated bytheirdifferent shapes,colors,and textures.In thissciencelesson planfor preschoolers,we willexplore theclassificationof tree leaves bytheir shape,size,andtexture.Objectives:To introducepreschoolers tothe concept of-classificationTo teachpreschoolers aboutthe differentshapes,-sizes,and texturesof tree leavesTo enhancestudents observationskills-To encouragecritical thinkingand problem-solving-skillsTo developstudents abilityto worktogether with-peersMaterials:第1页共4页A collection of differenttypes of treeleaves-A chart with picturesof differentshapes,sizes,-and texturesof treeleavesPaper-Pencils-Procedure:Introduction10minutes:
1.Start the lesson byasking thestudents ifthey knowwhata treeis andwhat leavesare.Show themsome picturesoftrees andleaves and ask them to identifythem.Leaf collectionand sorting20minutes:
2.Distribute thecollectionof treeleavesamong thestudentsandaskthemtosort thembased on their shape,size,and texture.Encourage themto discusstheir findingswiththeir peersand comparetheir classifications.Leaf identificationand matching30minutes:
3.Show thechartwiththe picturesof differentshapes,sizes,and texturesoftreeleaves.Ask thestudents toidentifythe leavesthey havesorted andmatch themwith thepicturesonthechart.Help themwith anydifficulties theymayhave inidentifying theleaves.Drawing andlabeling20minutes:
4.第2页共4页Ask thestudents tochoose onetype oftree leaftheyfind interestingand drawit ona pieceof paper.Encouragethem tolabel the different partsof theleaf andidentifyits size,shape,and texture.Group discussion10minutes:
5.Ask thestudents tosit ingroups anddiscuss theirdrawingsand findingswith theirpeers.Encourage themtoshare theirobservations andask questions.Conclusion10minutes:
6.Conclude thelesson bydiscussing theimportance oftreesand leaves in theenvironment andhow theycontribute toourdaily lives.Assessment:Observe thestudents throughoutthelessonand evaluatetheirparticipation andengagement inthe activities.Assesstheir abilityto identifyand classifythe differentshapes,sizes,and texturesoftreeleaves,as wellas theirabilityto workcollaboratively withpeers.Evaluate theirunderstandingof theimportance oftrees andleavesintheenvironment.Conclusion:第3页共4页This sciencelesson planfor preschoolersprovides anexcellentopportunity toteach theconceptofclassificationin afun andengaging way.By exploringthedifferentshapes,sizes,and texturesoftreeleaves,students learnto observeandclassify objectsin theirenvironment.This lessonplancan alsobe extendedto includeother objectsin nature,suchas rocks,insects,and animals.第4页共4页。