"Tracker自由落體" 修訂間的差異
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<img src='http://science4everyone.net/file/%E5%BC%B5%E5%8F%88%E6%87%BF/01%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8/img/%E5%96%AE%E6%93%BA.jpg' height=200> | <img src='http://science4everyone.net/file/%E5%BC%B5%E5%8F%88%E6%87%BF/01%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8/img/%E5%96%AE%E6%93%BA.jpg' height=200> | ||
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+ | ===情境短片=== | ||
+ | <videoflash>v1N-NGxwrdg</videoflash> | ||
===探究問題=== | ===探究問題=== |