[1단원]동물의한살이와생활/AnimalLifeCyclesandLiving
01동물의한살이:태어나서어른이되기까지-AnimalLifeCycles:FromBirthtoAdult
02동물의생김새와분류:특징으로나누어보기-AnimalFeaturesandClassification
03동물의서식지와생활방식:땅,물,하늘에사는동물들-AnimalHabitats:Land,Water,andSky
04계절에따른동물의변화:겨울잠,이동,털갈이-HowAnimalsChangewiththeSeasons:Hibernation,Migration,andCoatChange
[2단원]식물의한살이와생활/PlantLifeCyclesandLiving
05식물의한살이:씨앗에서꽃이피기까지-PlantLifeCycles:FromSeedtoFlower
06다양한환경에사는식물:들,연못,사막의식물-PlantsinDifferentEnvironments:Fields,Ponds,andDeserts
07식물이자라는데필요한조건:적당한양의물,햇빛,온도-WhatPlantsNeedtoGrow:Water,Light,andTemperature
[3단원]식물의구조와기능/PlantStructureandFunction
08식물의뿌리:물과양분을빨아들이는역할-PlantRoots:AbsorbingWaterandNutrients
09식물의줄기:물과양분이이동하는길-PlantStems:PathwaysforWaterandNutrients
10식물의잎과광합성:햇빛으로양분을만드는원리-LeavesandPhotosynthesis:MakingFoodfromLight
11식물의꽃과열매:번식을위한기관-FlowersandFruits:HowPlantsReproduce
12씨앗의이동:바람,동물,물을이용해멀리퍼지는방법-SeedDispersal:TravelingtoNewPlaces
[4단원]보이지않는생물의세계/TheWorldofInvisibleLivingThings
13균류:곰팡이와버섯의세계-Fungi:TheWorldofMoldsandMushrooms
14짚신벌레와해캄:물속에사는원생생물-ParameciumandSpirogyra:ProtistsThatLiveinWater
15세균의세계:작지만강한생물-TheWorldofBacteria:SmallbutStrongLivingThings
16다양한생물과우리생활:이롭고해로운생물-LivingThingsAroundUs:HelpfulandHarmful
[5단원]생태계와환경보호/EcosystemsandProtectingtheEnvironment
17생태계란무엇일까요?:생물요소와비생물요소-WhatIsanEcosystem?LivingandNon-LivingFactors
18생태계속생물의역할:생산자,소비자,분해자-RolesofLivingThingsinanEcosystem:Producers,Consumers,andDecomposers
19먹이사슬과먹이그물:누가누구를먹을까?-FoodChainsandFoodWebs:WhoEatsWhom?
20생태계의평형:생물의균형과환경오염의영향-EcologicalBalance:TheBalanceofLivingThingsandtheEffectsofPollution