模块一：生态系统基础

教学目标 / Objective

所需材料 / Materials

• 皮革或尼龙绳 / Leather or nylon string
• 7 种彩色珠子（黄、绿、蓝、白、黑、棕、橙）/ 7 colored beads (yellow, green, blue, white, black, brown, orange)

ECO-Cycle 循环序列 / ECO-Cycle Sequence

珠子顺序代表生态循环中的动作序列：黄 → 绿 → 蓝 → 白 → 黑 → 棕 → 橙

Bead order represents the sequence of action: Yellow → Green → Blue → White → Black → Brown → Orange. Bracelet can wrap twice to represent cycling twice.

课堂讨论 / Class Discussion

引导学生反思食物网以及鱼、植物、水、食物和光之间共生关系的重要性。

Guide students to reflect on food webs and the importance of symbiotic relationships between fish, plants, water, food, and light within the ECO-Cycle.

"When we try to pick out anything by itself, we find it hitched to everything else in the universe." — John Muir

延展学习 / Swimming Deeper

高年级学生指导低年级学生制作手链并讲解每个珠子代表的含义。Think-Pair-Share 讨论。

Older students teach younger students how to make bracelets and explain what each bead represents. Think-Pair-Share discussion activity.

核心术语 / Key Terms

活动步骤 / Action Steps

• 讨论学生对 Biotic 和 Abiotic 的理解 / Discuss what students know about biotic vs abiotic
• 观察 ECO-Cycle，列出其中的生物和非生物因素 / Observe ECO-Cycle, list all biotic & abiotic factors
• Think-Pair-Share 分享 / Pair up and share findings
• 围绕校园步行观察不同地点 / Walk around campus observing different locations
• 描述每个非生物因素的角色 / Describe each abiotic factor's role

延展学习 / Swimming Deeper

创建整个校园的生态系统地图，颜色编码标记生物/非生物因素 / Create a color-coded ecosystem map of the entire campus.

教学目标 / Objective

理解不同生态系统中所有生物和非生物因素的角色与作用。

Understand the role of all organisms, abiotic and biotic, in various ecosystems.

生态系统类型 / Ecosystem Types

沙漠、丛林/热带雨林、草原、森林、海洋/淡水 / Desert, Jungle/Tropical, Grassland, Forest, Ocean/Freshwater

ECO-Cycle 中的角色 / Roles in the ECO-Cycle

活动流程 / Activity Flow

• 分组并随机抽取生态系统类型 / Pick an ecosystem type
• 列出所有生物和非生物因素并分配角色 / List all roles and assign them
• 研究角色，准备 3-6 句台词 / Research role, prepare 3-6 lines
• 表演 5-10 分钟生态系统短剧 / Perform a 5-10 minute play