一、教学目标的有效性就科学探究目标来说,虽然科学探究不仅涉及到提出问题,做出假想,制定计划,搜集证据,表达和交流。虽然一个完整的探究活动一般要经过提出问题→作出假说或猜想→收集证据→解释→评估→交流和推广。但是,小学科学学习 I. The Effectiveness of Teaching Goals As far as the goal of scientific inquiry is concerned, scientific inquiry not only involves asking questions, making hypotheses, making plans, gathering evidence, expressing and exchanging ideas. Although a complete inquiry activity generally goes through asking questions → making hypotheses or guesses → gathering evidence → explaining → evaluating → communicating and promoting. However, primary science learning