空气压力--STEM-A-24-Air Pressure-Chinese Immersion
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教员备课--Guide Lesson Prep
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什么是茎--What is Stem (0:46)
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什么是空气--What is Air (0:32)
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空气压力--Air + Pressure = Air Pressure (1:33)
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观察和感受气压--See and Feel Air Pressure (1:03)
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气压能切开土豆吗？--Can Air Pressure cut a Potato? (1:26)
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活动 1：制造和感受气压--Activity 1: Make and Feel Air Pressure (0:08)
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实验 1：你能用没有盖子的吸管切马铃薯吗？--Experiment 1: Can you cut into a potato with a UN-covered straw? (0:13)
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实验 2：你能用有盖的吸管切马铃薯吗？--Experiment 2: Can you cut into a potato with a COVERED Straw? (0:26)
