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让学生分分钟爱上科学,牛津国际公学趣味实验集锦!

来源:成都七中国际部 时间:05-30

让学生分分钟爱上科学,牛津国际公学趣味实验集锦!

  科学小实验,兼顾了科学性与趣味性,能够有效调动学生探索世界的兴趣。对科学的爱好,对事物原理的探究精神,就是在这样的亲手实践中培养出来的。通过各类实验与观察,去获得最初的、手的、感官的认识,是牛津国际公学倡导的教学理念。

与普通中学相比,牛津国际公学理化生课程,会花更多精力和时间在实践课上,学生能够在做实验的过程中更深刻理解理论知识,动手能力也可以得到充分培养。每次实验课,老师也会指导学生完成实验报告,并给出个性化反馈。

除了实验课程,牛津国际公学还会组织学生去参观生命的奥秘博物馆、成都植物园等科普基地,让学生在玩中学习,加深对知识的理解。

1、维生素含量对小白鼠成长的影响

这是由12年级的Christina同学牵头,和其他几位同学自主研究的实验。他们每天都会给小白鼠称重,观察不同浓度的维生素含量对小白鼠成长的影响。这个实验目前持续了四天,同学们还将继续记录小白鼠的生长情况。

牛津国际公学

牛津国际公学

2、抑制大肠杆菌存活率

实验原理:

抗生素能破坏细菌细胞壁的结构,使细菌的繁殖和生长受到抑制。但某些细菌对抗生素表现出抗性,原因是其基因发生了改变,产生能抵抗抗生素的性状。

菌种:大肠杆菌

仪器:超净台、离心机、高压灭菌锅、培养箱、磁力搅拌器、培养皿、涂布器、移液管、移液器

牛津国际公学

牛津国际公学

3、有趣的“大象牙膏”实验

原料:双氧水 +酵母(高锰酸钾或碘化钾)+洗洁精 +色素

步骤:按照一定的比例和顺序放在类似于可乐瓶的细口容器中进行混合,即可观察到一股充满氧气的泡沫状物质像喷泉一样从容器中喷涌而出,这就叫做大象牙膏实验。

原理:双氧水在酵母的催化作用下,生成水和氧气,在生成氧气之后遇到容器中的发泡剂,于是就产生了实验效果。

4、制作分子模型

为了加深同学们对各种化学分子结构的认识,Nate 老师让10年级同学们用轻质黏土做出各类分子结构模型。

牛津国际公学

 

5、作业展示

牛津国际公学

牛津国际公学

牛津国际公学

课程导航
校区导航
基本 文件 流程 错误 SQL 调试
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  2. 运行时间 : 0.022956s [ 吞吐率:43.56req/s ] 内存消耗:358.35kb 文件加载:137
  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.000373s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.001178s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '9915' AND `site_id` = 20 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000325s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000629s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 9915 [ RunTime:0.000217s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000635s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 9915 [ RunTime:0.000206s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_news` [ RunTime:0.000726s ]
  9. SELECT `a`.*,`content` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school_news_content` `b` ON `b`.`content_id`=`a`.`content_id` WHERE `school_id` = 9915 AND `a`.`content_id` = '68830' AND `news_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000333s ]
  10. (select content_id,news_name,school_id from fqi_school_news where school_id = '9915' and content_id < '68830' and site_id <= '20' order by content_id desc limit 1) union all(select content_id,news_name,school_id from fqi_school_news where school_id = '9915' and content_id > '68830' and site_id <= '20' order by content_id asc limit 1) [ RunTime:0.000842s ]
  11. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000763s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 9915 AND `site_id` = 20 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000422s ]
  13. SELECT * FROM `fqi_school_course` WHERE `school_id` = 9915 AND `school_status` = 1 AND `course_status` = 1 ORDER BY `course_id` DESC LIMIT 8 [ RunTime:0.000233s ]
  14. SELECT * FROM `fqi_school_news` WHERE `school_id` = 9915 ORDER BY `click` DESC,`news_id` DESC LIMIT 5 [ RunTime:0.000339s ]
  15. SELECT `content_id`,`news_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '20' AND `b`.`school_status` = '1' AND `news_status` = 1 AND `content_id` < 68830 ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.011609s ]
0.023269s