📚 KS3 CIE Year 8 Reactions Scheme of Work: Core Concepts and Practical Skills | KS3 CIE 八年级化学反应教学计划：核心概念与实验技能
This scheme of work guides students through the key ideas of the Year 8 Reactions topic in the CIE KS3 curriculum. It focuses on recognising chemical changes, writing word equations, investigating common reaction types, and developing practical safety skills. Each section links core knowledge to observations students can test in the laboratory.
本教学计划围绕 CIE KS3 八年级“化学反应”单元的核心概念展开，重点帮助学生识别化学变化、书写文字方程式、探究常见反应类型，并培养实验安全意识。每一节都将核心知识与学生可在实验室观察和验证的现象相结合。
1. Chemical and Physical Changes | 化学变化与物理变化
A chemical reaction produces at least one new substance with properties that are different from the starting reactants. In contrast, a physical change only alters the appearance, shape, or state of a material; no new chemical substance is formed. For example, melting ice is a physical change because water changes from solid to liquid, but its particles remain H₂
Published by TutorHao | KS3 Revision Series | aleveler.com
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