防止侵蚀

比较多种旨在减缓或防止风或水改变陆地形状的解决方案

Compare multiple solutions designed to slow or prevent wind or water from changing the shape of the land

学习证据 / Evidence

• 描述风和水如何改变陆地形状（侵蚀）
• 比较至少两种减少侵蚀的设计方案（例如挡土墙、植被、防风林）
• 根据测试或观察所得的证据，评估哪种方案效果最好

• Describe how wind and water can change the shape of land (erosion)
• Compare at least two design solutions for reducing erosion (e.g. retaining walls, plants, windbreaks)
• Evaluate which solution works best based on evidence from tests or observations

评估问题 / Assessment

如果{{name}}看到沙堡被海浪冲走，能想到保护它的办法吗，比如建一堵墙或种草来固定沙子？

If {{name}} sees a sandcastle being washed away by waves, can they think of ways to protect it — like building a wall or planting grass to hold the sand?