激發孩子科學英文與跨文化溝通的潛能，透過專業外師活潑互動，擴展科學視野，深化語言技能。
| Unit | Title |
| Introduction | Be a Scientist 當個科學家 |
| Ch 1-1 | Plants Everywhere 植物無處不在 |
| Ch 1-2 | What Plants Need 植物需要什麼 |
| Ch 1-3 | Parts of Plants 植物的部分 |
| Ch 1 – Review | |
| Ch 2-1 | Animals Everywhere 動物無處不在 |
| Ch 2-2 | What Animals Need 動物需要什麼 |
| Ch 2-3 | How Animals Get Food 動物如何取得食物 |
| Ch 2 – Review | |
| Ch 3-1 | Land Habitats 土地棲息地 |
| Ch 3-2 | Water Habitats 水棲息地 |
| Ch 3-3 | Planes and Animals Need Each Other 植物和動物彼此需要 |
| Ch 3-4 | Food Chains 食物鏈 |
| Ch 3 – Review | |
| Ch 4-1 | Describe Weather 形容天氣 |
| Ch 4-2 | The Warmth of the Sun 太陽的溫暖 |
| Ch 4-3 | Measure Weather 測量天氣 |
| Ch 4 – Review | |
| Ch 5-1 | Winter 冬天 |
| Ch 5-2 | Spring 春天 |
| Ch 5-3 | Summer 夏天 |
| Ch 5-4 | Fall 秋天 |
| Ch 5 – Review | |
| Ch 6-1 | Describing Matter 描述事情 |
| Ch 6-2 | Solids 固體 |
| Ch 6-3 | Liquids 液體 |
| Ch 6-4 | Gases 氣體 |
| Ch 6 – Review | |
| Ch 7-1 | Heating Matter 加熱 |
| Ch 7-2 | Cooling Matter 冷卻 |
| Ch 7-3 | Mixing Matter 混合 |
| Ch 7 – Review |
| Unit | Title |
| Introduction | Be a Scientist 當個科學家 |
| Ch 1-1 | Plants and Their Parts 植物及其部分 |
| Ch 1-2 | Flowers and Fruits 花和水果 |
| Ch 1-3 | Plants Grow and Changes 植物生長和變化 |
| Ch 1-4 | Plants and Their Environments 植物及其環境 |
| Ch 1 – Review | |
| Ch 2-1 | Kinds of Animals 各種動物 |
| Ch 2-2 | Mammals 哺乳動物 |
| Ch 2-3 | Animals from Eggs 卵生動物 |
| Ch 2-4 | Animal Traits 動物特徵 |
| Ch 2 – Review | |
| Ch 3-1 | Rocks 石頭 |
| Ch 3-2 | Rocks Change 石頭的變化 |
| Ch 3-3 | Soil 泥土 |
| Ch 3 – Review | |
| Ch 4-1 | Fossils 化石 |
| Ch 4-2 | Finding Clues in Fossils 尋找化石中的線索 |
| Ch 4-3 | Fossils of California 加州的化石 |
| Ch 4 – Review | |
| Ch 5-1 | Natural Resources 自然資源 |
| Ch 5-2 | Plant and Animal Resources 植物和動物資源 |
| Ch 5-3 | Resources of California 加州資源 |
| Ch 5 – Review | |
| Ch 6-1 | Position 位置 |
| Ch 6-2 | Motion 運動 |
| Ch 6-3 | Pushes and Pulls 推動和拉動 |
| Ch 6-4 | Changing Motion 改變運動 |
| Ch 6 – Review | |
| Ch 7-1 | Tools and Machines 工具和機器 |
| Ch 7-2 | Gravity 重力 |
| Ch 7-3 | Magnets Push, Magnets Pull 磁鐵推，磁鐵拉 |
| Ch 7-4 | Sound 聲音 |
| Ch 7 – Review |
| Unit | Title |
| Introduction | Be a Scientist 當個科學家 |
| Ch 1-1 | Living Things and Their Needs 生物及其需要 |
| Ch 1-2 | Life in the Desert 沙漠生活 |
| Ch 1-3 | Life in the Grassland 草原生活 |
| Ch 1-4 | Life in the Forest 森林生活 |
| Ch 1-5 | Life in the Arctic Tundra 北極苔原生活 |
| Ch 1 – Review | |
| Ch 2-1 | The Water Planet 水上星球 |
| Ch 2-2 | Life in an Ocean 海洋生活 |
| Ch 2-3 | Life in the Wetlands 濕地生活 |
| Ch 2 – Review | |
| Ch 3-1 | Living Things Change Their Environment 生物改變他們的環境 |
| Ch 3-2 | Changes Affect Living Things 變化影響生物 |
| Ch 3-3 | Living Things of the Past 過去的生物 |
| Ch 3 – Review | |
| Ch 4-1 | Day and Night 日夜 |
| Ch 4-2 | The Seasons 四季 |
| Ch 4-3 | The Moon 月亮 |
| Ch 4 – Review | |
| Ch 5-1 | The Sun and Its Planets 太陽及行星 |
| Ch 5-2 | Telescopes : Discovering the Solar System 望遠鏡：發現太陽系 |
| Ch 5-3 | The Stars 星星 |
| Ch 5 – Review | |
| Ch 6-1 | Solids, Liquids, and Gases 固體，液體和氣體 |
| Ch 6-2 | Building Blocks of Matter 建造物質 |
| Ch 6-3 | Changing Matter 改變問題 |
| Ch 6 – Review | |
| Ch 7-1 | Energy all Around 能量到處都是 |
| Ch 7-2 | Using Energy 使用能源 |
| Ch 7-3 | Energy on the Move 能源在移動 |
| Ch 7 – Review | |
| Ch 8-1 | How Light Moves 光線如何移動 |
| Ch 8-2 | Seeing Light and Color 看光線和顏色 |
| Ch 8-3 | Shadows 陰影 |
| Ch 8 – Review |
| Unit | Title |
| Introduction | Be a Scientist 當個科學家 |
| Ch 1-1 | Living Things Need Energy 生物需要能源 |
| Ch 1-2 | Food Chains 食物鏈 |
| Ch 1-3 | Food Webs 食物網 |
| Ch 1-4 | Microorganisms 微生物 |
| Ch 1 – Review | |
| Ch 2-1 | Living Things and Their Environment 生物及其環境 |
| Ch 2-2 | Living Things Need Each Other 生物需要彼此 |
| Ch 2-3 | Changes on Ecosystems 生態系統的變化 |
| Ch 2-4 | Adaptations 改編 |
| Ch 2 – Review | |
| Ch 3-1 | Rocks and Minerals 岩石和礦物 |
| Ch 3-2 | Igneous Rocks 火成岩 |
| Ch 3-3 | Sedimentary Rocks 沉積岩 |
| Ch 3-4 | Metamorphic Rocks 變質岩 |
| Ch 3 – Review | |
| Ch 4-1 | Slow Changes on Earth 地球上的緩慢變化 |
| Ch 4-2 | Erosion and Deposition 侵蝕和沈積 |
| Ch 4-3 | Landforms : Changing Over Time 地貌：隨時間而變化 |
| Ch 4 – Review | |
| Ch 5-1 | East Changes on Earth 地球上的東方變化 |
| Ch 5-2 | Earthquakes 地震 |
| Ch 5-3 | Volcanoes 火山 |
| Ch 5 – Review | |
| Ch 6-1 | Electricity 電力 |
| Ch 6-2 | Electric Circuits 電路 |
| Ch 6-3 | Using Electrical Energy 使用電能 |
| Ch 6 – Review | |
| Ch 7-1 | Magnetism 磁 |
| Ch 7-2 | Electromagnets 電磁鐵 |
| Ch 7-3 | Motors and Generators 電動機和發電機 |
| Ch 7 – Review |
| Unit | Title |
| Introduction | Be a Scientist 當個科學家 |
| Ch 1-1 | Cells 細胞 |
| Ch 1-2 | From Cells to Organisms 從細胞到生物 |
| Ch 1-3 | Diversity of Organisms 生物多樣性 |
| Ch 1 – Review | |
| Ch 2-1 | Vascular Plants 血管植物 |
| Ch 2-2 | Plants Transport Systems 植物運輸系統 |
| Ch 2-3 | Photosynthesis and Respiration 光合作用和呼吸作用 |
| Ch 2 – Review | |
| Ch 3-1 | The Human Body 人類的身體 |
| Ch 3-2 | The Digestive System 消化系統 |
| Ch 3-3 | The Respiratory System 呼吸系統 |
| Ch 3-4 | The Circulatory System 循環系統 |
| Ch 3-5 | The Excretory System 排泄系統 |
| Ch 3 – Review | |
| Ch 4-1 | Earth : The Blue Planet 地球：藍色星球 |
| Ch 4-2 | The Water Cycle 水循環 |
| Ch 4-3 | Freshwater Resources 淡水資源 |
| Ch 4-4 | California’s Water Supply 加州的供水 |
| Ch 4 – Review | |
| Ch 5-1 | Earth’s Atmosphere 地球的氣氛 |
| Ch 5-2 | Air Currents And Wind 空氣流和風 |
| Ch 5-3 | Oceans and Air Temperature 海洋和氣溫 |
| Ch 5-4 | Severe Weather 惡劣的天氣 |
| Ch 5-5 | Predicting The Weather 預測天氣 |
| Ch 5 – Review | |
| Ch 6-1 | The Sun 太陽 |
| Ch 6-2 | The Structure of The Solar System 太陽系的結構 |
| Ch 6-3 | Gravity and Orbit 重力和軌道 |
| Ch 6 – Review | |
| Ch 7-1 | Prosperities of Matter 物質的繁榮 |
| Ch 7-2 | Elements 元素 |
| Ch 7-3 | Classifying Elements 分類元素 |
| Ch 7-4 | Mixtures 混合物 |
| Ch 7-5 | Compounds 化合物 |
| Ch 7 – Review | |
| Ch 8-1 | Chemical Reactions 化學反應 |
| Ch 8-2 | Metals and Alloys 金屬和合金 |
| Ch 8-3 | Salts 鹽 |
| Ch 8 – Review |
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