氯气的化学性质说课稿优秀(四篇)

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½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ëµï¿½îµï¿½ï¿½ë½ï¿½ï¿½ï¿½氯气的化学性质说课稿篇二今天我说课的内容是《氯气的性质》，下面我将从三个方面来阐述我对本节课的教学。本节课位于苏教版必修1专题2、第1单元的内容。本专题以珍贵的自然资海水为研究对象，引出如何从海水中提取重要的化学物质，探究典型物质的性质和应用。《氯气的性质》是学生进入高中阶段第一次接触到元素及其化合物性质的知识，是初中化学知识的延续，同时又为后面钠、镁、铝、铁、铜等知识的学习奠定了根底，并提供了方法和思路。根据新课程标准，教学内容及学生的认知特点，本节课应该到达如下的学习目的。1、理解氯气的主要性质，认识氯气的用处。知道人们研究和认识化学物质的主要途径是实验法。通过实验探究进一步激发学生的学习兴趣，增强学生的环境保护意识。2、《氯气的性质》在整个高中化学化学教学中具有核心的地位，本节课的重点是氯气的化学性质。难点是如何通过实验探究培养学生分析^p问题、解决问题的才能。根据本节课特点和学生的认知规律。又由于学生学习任何知识的最正确途径是由学生自己去探究发现，因此这节课我采用以实验探究为主的教学方法进展教学，通过对实验现象的观察和分析^p，让学生归纳总结氯气的性质。为了有效的完成学习目的，突出教学重点、打破教学难点，我主要按以下几个环节展开。1、巧妙的利用一些资料和现实生活中氯气的泄露，让学生从中提取有用信息，归纳总结氯气的物理性质，氯气有毒，一定要强调闻有毒气体的方法，尽量防止对学生的安康造成危害，有意增加化学知识与生活的亲密联络，使学消费生亲近感，有效地降低了学习的难度，较好的表达了一种人文关心。2、理科课堂就是让学生自己去见证奇迹的课堂，由于氯气有毒，我们化学组经过讨论不再用集气瓶搜集氯气，而改用矿泉水瓶，口小密封性又好，尽可能减少氯气对环境的污染。向装有氯气的矿泉水瓶中加水，奇迹出现了，水变成了黄绿色，瓶子变瘪了，引导学生分析^p出现这种现象的原因，加深学生对氯气溶解性的认识，又为下一节课氯水性质的探究提供药品。学生画出氯原子的构造示意图，并推测化学性质。(1)、因为氯气有毒，同时又防止学习方法单一，因此有关氯气化学性质的学习，我使用演示实验和播放录像资料两种方法。老师先演示两个实验：钠在氯气中的燃烧、氢气在氯气中的燃烧，学生观察现象，书写相关的化学方程式，播放三段视频：铜在氯气中的燃烧、铁在氯气中的燃烧、氢气与氯气在光照条件下的爆炸学生考虑：①、氯气与变价金属铁反响时，生成高价盐还是低价盐？比照初中铁与盐酸反响，铁元素化合价的变化，加深学生对氯气这一化学性质的理解。2、燃烧是否一定要有氧气参加？3、关于习题设计，我根据学生导学案的完成情况和教学重点，设计针对性的练习，以利于学生对知识的理解、记忆和应用。4、小结主要通过提问的方式进展，为什么氯气的性质很活泼？氯气有哪些性质？调动学生的思维。培养学生归纳总结才能。说课到此完毕氯气的化学性质说课稿篇三����5����1���ì²äµäµï¿½î»ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½è«ï¿½â½ì²äµï¿½ï¿½øµï¿½ö®ò»ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½â±ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ð´ï¿½ï¿½ï¿½ï¿½ôµï¿½ôªï¿½ø£ï¿½ï¿½ï¿½ï¿½ï¿½ò²ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½íµä·ç½ï¿½ï¿½ï¿½ôªï¿½ø¡ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ê¡ï¿½ï¿½ï¿½í¾ï¿½ï¿½ï¿½æ·ï¿½ï¿½è½ï¿½ï¿½ð±è½ï¿½è«ï¿½æ¡¢ï¸ï¿½âµï¿½ñ§ï°ï¿½ï¿½ï¿½ð¾ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ò»ï¿½ú½ï¿½ò»ï¿½ï¿½ñ§ï°ï¿½ï¿½ï¿½ð¾ï¿½â±ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ô¼ï¿½ï¿½ï¿½ä»¯ï¿½ï¿½ï¿½éµï¿½ï¿½ï¿½òªï¿½ï¿½ò²ï¿½ï¿½ï¿½ôºï¿½ñ§ï°ï¿½ï¿½ï¿½ð¾ï¿½í¬ï¿½ï¿½ôªï¿½ï¿½ï¿½ï¿½ï¿½ê±ä»¯ï¿½ï¿½ï¿½ï¿½ï¿½ô¼ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½è¼î¹¤òµï¿½ï¿½ï¿½ï¿½ïµêµï¿½ï¿½öªê¶ï¿½ï¿½ï¿½ï¿½òªï¿½ï¿½í¬ê±ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ú¸ï¿½ï¿½ð½×¶î¶ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ê¡ï¿½ï¿½ï¿½í¾ï¿½è½ï¿½ï¿½ü½ï¿½îªè«ï¿½æ¡¢ï¸ï¿½â£ï¿½ï¿½ï¿½ì½ï¿½öºï¿½ó¦ï¿½ï¿½ò²ï¿½ï¶à£¬ï¿½ï¿½ñ§ï¿½ï¿½è«ï¿½ï¿½ï¿½ï¿½ê¶ï¿½ï¿½ñ§ôªï¿½ø¡ï¿½ï¿½î³ï¿½ï¿½ï¿½è·ï¿½ûµã¡¢ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½è·ñ§ï°ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ò²ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½òªï¿½ï¿½ï¿½ï¿½ï¿½ã£ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ä»ï¿½ñ§ï¿½ï¿½ï¿½ï¿½ò²ï¿½çµï¿½ò»ï¿½ï¿½ï¿½ï¿½ñ§ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ô­ï¿½ï¿½ó¦öªê¶ï¿½ä½ï¿½ò»ï¿½ï¿½ó¦ï¿½ãºí¹ï¿½ï¿½ì£ï¿½ï¿½ú½ì²ï¿½ï¿½ð¶ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½êµï¿½ï¿½ï¿½ê¶ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½êµï¿½ï¿½ï¿½ï¿½ö¤ï¿½ä·ï¿½ï¿½ï¿½ï¿½ï¿½éµä£ï¿½ï¿½ï¿½îªï¿½ï¿½ï¿½ï¿½ñ§ï¿½ï¿½ï¿½ï¿½êµï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½û²ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ë¼î¬ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ë¼ï¿½ï¿½ãµä»ï¿½ï¿½á¡£ï¿½ï¿½ï¿½ï¿½2����ñ§ä¿ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½öªê¶ä¿ï¿½ê£ºöªï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ê£ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ä»ï¿½ñ§ï¿½ï¿½ï¿½ê£ï¿½ï¿½ï¿½ï¿½ï¿½è·ð´ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ë®ï¿½ï¿½ï¿½ï¿½î·´ó¦ï¿½ä»ï¿½ñ§ï¿½ï¿½ï¿½ï¿½ê½ï¿½ï¿½ï¿½ë½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½í¾ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ä¿ï¿½ê£ºí¨ï¿½ï¿½êµï¿½ï¿½ï¿½î³é¿ï¿½ñ§ï¿½ä¹û²ì¡¢ë¼î¬ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ü½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ä¿ï¿½ê£ºí¨ï¿½ï¿½êµï¿½ï¿½ï¿½ð¾ï¿½ï¿½ï¿½ï¿½ê¼ï¿½ï¿½ï¿½ä»¯ï¿½ä¿ï¿½ñ§ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ò»ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ñ§ï°ï¿½ï¿½ñ§ï¿½ï¿½ï¿½ï¿½è¤ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½è°ï¿½ï¿½ï¿½ñ§ï¿½ï¿½ï¿½ï¿½ï¿½ø¿ï¿½ñ§ï¿½ï¿½ë¼ï¿½ï¿½ï¿½ô¼ï¿½ï¿½ï½ï¿½ï¿½ï¿½êµï¿½ï¿½å¬ï¿½ï¿½ì½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½æ·ï¿½ê£ï¿½í¨ï¿½ï¿½ï¿½ï¿½ôªï¿½øµä½á¹¹ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ñ§ï¿½ï¿½ï¿½êµä¹ï¿½ïµï¿½ï¿½ï¿½ï¿½ò»ï¿½ï¿½è·ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ç¾ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½êµä¸ï¿½ï¿½ï¿½ô­ï¿½ï¿½ä±ï¿½ö¤î¨ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ë¼ï¿½ë¡£ï¿½ï¿½ï¿½ï¿½3����ñ§ï¿½ï¿½ï¿½ñµã£ºï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ä»ï¿½ñ§ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ä´ï¿½ï¿½ú¡ï¿½ï¿½æ·ï¿½ï¿½ï¿½ï¿½ï¿½í¾ï¿½ï¿½ï¿½ï¿½ï¿½ý£ï¿½ò²ï¿½çºï¿½ï¿½ï¿½ñ§ï°â±ï¿½ø¼ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ç½ï¿½ï¿½ï¿½ôªï¿½ø»ï¿½ñ§ï¿½ï¿½ï¿½êµä»ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ä»ï¿½ñ§ï¿½ï¿½ï¿½ï¿½ï¿½ç±ï¿½ï¿½úµä½ï¿½ñ§ï¿½øµã¡£ï¿½ï¿½ï¿½ï¿½ñ§ï¿½ï¿½è±ï¿½ï¿½ï¿½ü½ï¿½æ½ï¿½ï¿½ï¿½öªê¶ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ë®ï¿½ï¿½ï¿½ðµï¿½ï¿½ï¿½ï¿½èµï¿½ï¿½ï¿½ï¿½ê£ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½í´ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ê¡ï¿½ï¿½ï¿½ò»ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ñ§ï¿½ã²ï¿½ï¿½ã£ï¿½ï¿½ï¿½ï¿½ï¿½ñ§ï°ï¿½ï¿½ë®ï¿½ï¿½ï¿½ï¿½í¬ï¿½ï¿½ï¿½ê·ï¿½ó¦ï¿½ï¿½ï¿½ö³ï¿½ï¿½ï¿½ï¿½ï¿½.��í¬ï¿½ï¿½ï¿½ï¿½ê±ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ñ£ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ë®ï¿½ä·ï¿½ó¦ï¿½ç±ï¿½ï¿½úµä½ï¿½ñ§ï¿½ñµã¡£ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ò»ï¿½ï¿½ï¿½ï¿½ïµï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½â¿ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½úµú¶ï¿½ï¿½ï¿½ñ§ï¿½ï¿½ï¿½ñ¾ï¿½ñ§ï°ï¿½ï¿½ò»ï¿½ï¿½ï¿½ï¿½ô­ï¿½ó½á¹¹ï¿½ï¿½ôªï¿½ï¿½ï¿½ï¿½ï¿½ê¶ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ôµä½ï¿½ï¿½ï¿½ôªï¿½ø¡ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½öªï¿½ï¿½ï¿½ï¿½ò»ð©ï¿½ð¾ï¿½ï¿½ï¿½ï¿½ï¿½ôªï¿½øµä·ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ú¿îµä¿ï¿½ê¼ï¿½ï¿½ï¿½ï¿½ñ§ï¿½ï¿½ï¿½ï¿½è·ï¿½ï¿½ï¿½ú¿î½ï¿½ñ§ï°ò»ï¿½ï¿½ï¿½ï¿½ô­ï¿½ó½á¹¹ï¿½ï¿½ôªï¿½ï¿½ï¿½ï¿½ï¿½ï¿½í¬ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ôµä·ç½ï¿½ï¿½ï¿½ôªï¿½ø¡ï¿½ï¿½ï¿½â±ï¿½ï¿½ôªï¿½ø£ï¿½ï¿½ï¿½ï¿½â±ï¿½ø£ï¿½ï¿½ï¿½ï¿½ã¶ï¿½ã½ï¿½ï¿½ï¿½ï¿½ê¾â±ï¿½ï¿½ôªï¿½øµï¿½ï¿½ï¿½ï¿½æ¡ï¿½ï¿½ï¿½ï¿½å¡ï¿½ô­ï¿½ó½á¹¹ê¾ï¿½ï¿½í¼ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ñ§ï¿½ï¿½ï¿½û²ì¡¢ï¿½ï¿½ï¿½ï¿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物质反响表现出来的.不同性质时发生困难，所以氯气与水的反响是本节的教学难点。〔一〕联络碱金属导入新课在第二章学生已经学习了一族在原子构造和元素性质都具有相似性的金属元素——碱金属，知道了一些研究金属元素的方法，在课的开场即向学生明确本节课将学习一族在原子构造和元素性质同样具