摘  要:小学科学课程标准中明确的提出“科学课程要以探究为核心”的基本理念。但是审视目前的小学科学课中探究活动存在形式化、表面化等各种问题，降低了科学课堂教学的效率。本文根据精心收集的科学探究活动的相关文献，结合小学科学课程标准提倡的理念，对探究活动过程中存在的低效现象进行归纳分析，并有针对性的提出一些改善现状和解决问题的策略。

关键字：小学科学课；探究活动；低效现象；有效性

ABSTRACT:Primary school science curriculum standards explicitly proposed "science curriculum to explore as core" of the basic concept. But look at the current primary school science classes exploration activities exist formal, superficial and other problems, and it reduced the efficiency of the science classroom teaching. This article based on carefully collected about the document of scientific inquiry activity, combined with the basic idea of primary school science curriculum standards advocate, inefficient phenomenon existing in the process of inquiry activity carries on the summary and analysis, and put forward some targeted improve the situation and the strategies to solve the problem.

Keywords: Primary school science class; Research activities; Inefficient phenomenon; The effectiveness