运用支架策略 突破教学难点——以“估测大气压的值”教学为例

Using scaffolding strategies to break through teaching difficulties,taking "estimating atmospheric pressure" teaching as an example

简介了支架式教学的内涵,指出搭建教学支架是支架式教学的灵魂。阐述了活动“估测大气压强的值”难学难教的原因,为其设置了血脉相连、环环相扣、针对性明确、逻辑性贯通的教学支架,并给出了相应的问题情境、协作探究和效果评价。