| 内容贴近学生生活实际，练习取材于生活场景反映学科发展的最新进展，学科内容交叉渗透写作风格亲切，充满人文气息，读来轻松易懂大量精美插图，富有时代性、艺术性和科学性篇幅适中，结构合理，兼具一定的深度和广度培养学以致用的能力，着重探究式教学和学习教师用书内容翔实，是学生用书的拓展和补充。教材包括：学生用书、活动用书、教师用书 |
| 中学生活与科学：学生用书 7 living things and air 7.1 what is air made up of? 7.2 burning 7.3 how does man obtain energy? 7.4 how do green plants obtain energy? 7.5 gaseous exchange in animals and plants 7.6 balance of carbon dioxide and oxygen in nature 7.7 effects of smoking and polluted air on our respiratory system summary glossary key points test yourself 8 making use of electrictity 8.1 closed circuit 8.2 electrical conductors and insulators 8.3 electric current 8.4 voltage 8.5 resistance 8.6 circuit symbols 8.7 series and parallel circuits 8.8 fuses 8.9 household electricity 8.10 power of an electrical appliance 8.11 cost of electricity 8.12 the magnetic effect of an electric current 8.13 working principles of common electrical appliances summary glossary key points test yourself index 中学生活与科学：活动用书 |
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