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【实验指导】新版教科版小学科学四年级下册1.7种子的传播
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实验步骤：收集一些成熟的凤仙花果实，用手轻轻捏它的果皮，观察有什么现象发生。
实验现象：_???????????¤???è?±???????????????????????¤??§???????????????????????????è??????????¨???è??è????????????????????????????°??¨??????è??????????????????§???????è?????????????????_
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实验结论：_??¤???è?±??????é??è??è????????????°??§??????????????????????_
理解与应用
1.植物传播种子的方式主要有弹射传播、动物传播、风力传播、水流传播。
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A.苍耳
B.椰树
C.野葡萄
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