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恩格斯说过:“只要自然科学在思维着,它的发展形式就是假说。”假说、猜想的提出,是通向科学理论道路的必要环节。“形成假设和验证假设的过程是科学活动的核心。假设的用途在于能暗示人们哪些证据能证实它,哪些证据将驳斥它。”基于此,《科学(3-6)年级课程标准》目标中明确规定:要求学生能运用已有知识作出自己对问题的假想答案。
Engels once said: “As long as natural science is thinking, its development form is a hypothesis.” Hypothesis and conjecture are the necessary links to the scientific theory. “The process of forming assumptions and verifying hypotheses is at the heart of scientific activity. The purpose of assumptions is to suggest what evidence that people can substantiate, and which evidence will refute it.” "Based on this, the Science (3-6) The goal clearly states: Require students to use existing knowledge to make their own hypothetical answers to questions.