植物各部分的功能
How Plant Parts Work
识别并描述开花植物各部位的功能：根吸收水分和养分，茎运输物质，叶子制造养料，花帮助植物繁殖。
Identify and describe the functions of different parts of flowering plants: roots absorb water and nutrients, stems transport materials, leaves make food, flowers enable reproduction
学习证据 / Evidence
- 描述根的功能（从土壤中吸收水分和矿物质）
- 解释茎能向上输送水分，并把养料输送到植物全身
- 说明叶子利用阳光制造养料，花产生种子以长出新植物
- Describe the function of roots (absorb water and minerals from soil)
- Explain that the stem transports water up and food around the plant
- State that leaves use sunlight to make food and flowers produce seeds for new plants
评估问题 / Assessment
{{name}}能解释为什么一株花需要长在地下的根和长在上面的叶子吗？每个部分分别有什么作用？
Can {{name}} explain why a flower needs roots underground and leaves up top — what job does each part do?