让孩子爱上化学的88.3个经典游戏-畅读网

　　　　

让孩子爱上化学的88.3个经典游戏

作者：李建芳

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mobi/epub/pdf/awz3

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科学技术 >> 自然科学

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内容简介:

《让孩子爱上化学的88×3个经典游戏》，本书以图文并茂的形式介绍了264个有趣的经典化学游戏，如自制灭火器、自制松花蛋、让5角硬币变亮等，让孩子在游戏中学习化学知识，观察生活中的化学现象，感受化学的神奇力量，旨在增强孩子的学习热情，让孩子充分发挥想象力，提高创造能力。

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SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.003083s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 48 LIMIT 1 [ RunTime:0.000876s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.000797s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.000968s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1772218741 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.592974s ]

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