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近几年中考物理试题的物理情境取材范围主要来自STS知识,考查学生对基本概念和原理的理解,以及运用这些概念和原理分析、解决简单实际问题的能力,主要体现在物理与自然、生活、科技和实际应用.1自然现象利用物理知识解释一些自然现象,是物理教学的一个重要方面,也是学以致用的一个主要表现.例1如图1是2010年冰岛火山喷发照片,高温的岩浆使冰盖__(选填“熔化”或“凝固”),导致河流水位暴涨.大量的火山灰尘
In recent years, the physical situation of the middle school physics exam depends mainly on the STS knowledge, examining students’ understanding of the basic concepts and principles, as well as their ability to analyze and solve simple and practical problems by using these concepts and principles, which are mainly embodied in physics and nature, life, Technology and practical applications.1 Natural phenomena The use of physical knowledge to explain some of the natural phenomena is an important aspect of physics teaching as well as a major manifestation of its application.Example 1 Figure 1 shows the volcanic eruption in Iceland in 2010 with high temperature magma Ice caps __ (optional “Melted” or “Solidified”) lead to skyrocketing water levels in the river. Large amounts of volcanic dust