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高中地理必修一PPT 3.2.1海水的温度

  • 2026-02-11 09:40:28
高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

高中地理必修一PPT 3.2.1海水的温度

🐚 高中地理 | 我这样讲《海水的温度》,全班都跟着鲍鱼去“旅行”了!
🌊 最近备《海水的温度》这一课,发现很多课件还在用“海水温度随纬度变化图”直接导入——科学,但少了点“人气”。
我这次换了个思路,直接用 “鲍鱼的候鸟式生活” 贯穿全课!
✨ 为什么选鲍鱼转场?
1️⃣ 真实有趣:鲍鱼夏天北上山东,冬天南下福建,像候鸟一样迁徙
2️⃣ 问题驱动:为什么非要折腾?→自然引出海水温度的影响
3️⃣ 人地协调:人类如何顺应自然、智慧利用海洋资源
📌 本节重点:
✔️海水温度的时空分布规律
✔️海水温度的影响因素(太阳辐射、季节、深度…)
✔️海水温度对人类活动的影响(渔业、养殖、航运…)
🚀 教学思路三步走:
🔹 导入:新闻片段《鲍鱼南下·海洋牧场转场记》
→ 设问:鲍鱼为什么要“出差”?它们去哪?为什么?
🔹 课中探究:

• 材料1:养殖笼为何要调节深度?
→ 引导学生理解:海水温度垂直变化规律
• 材料2:为何不同季节投喂量不同?
→ 关联水温影响生物生长速率
• 材料3:为何要南北转场养殖?
→ 学生推理:鲍鱼适宜水温8-20℃,人类通过迁徙养殖适应自然
• 拓展:除了养殖,海水温度还影响哪些人类活动?(渔场分布、航线选择…)
🔹 总结提升:
从“鲍鱼的旅行”回到课标本质——
✅ 自然规律(海水温度变化)
✅ 人类适应(转场养殖、调节深度)
✅ 人地智慧(顺应自然、可持续利用)
#高中地理 #海水的性质 #海水的温度 #地理笔记

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  1. CONNECT:[ UseTime:0.000915s ] mysql:host=127.0.0.1;port=3306;dbname=h_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001351s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000630s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000563s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001287s ]
  6. SELECT * FROM `set` [ RunTime:0.000484s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001338s ]
  8. SELECT * FROM `article` WHERE `id` = 458380 LIMIT 1 [ RunTime:0.000901s ]
  9. UPDATE `article` SET `lasttime` = 1771211011 WHERE `id` = 458380 [ RunTime:0.001243s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000598s ]
  11. SELECT * FROM `article` WHERE `id` < 458380 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000966s ]
  12. SELECT * FROM `article` WHERE `id` > 458380 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001041s ]
  13. SELECT * FROM `article` WHERE `id` < 458380 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003815s ]
  14. SELECT * FROM `article` WHERE `id` < 458380 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.007818s ]
  15. SELECT * FROM `article` WHERE `id` < 458380 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001466s ]
0.206609s