工作就用美篇工作版","guide_search_desc":"海量模板范文,一键做同款 工作就用美篇工作版","img_beautify_switch":0,"ad_free":0,"text_direction":1,"template":{"id":114,"series_id":12,"theme_id":12},"container":{},"redirect":{"redirect_type":1,"img_url":false,"link_url":"/wap/downloadpage/backpage","button_bg_color":false,"button_desc":false,"redirect_desc":false},"edit_date_str":"发布于 2020-06-18","current_time":1741220992,"font_name":"","rcmd_meipian":0,"hide_article_link":0,"from_wechat":false,"topk_keywords":[{"name":"杯子","score":0.231233},{"name":"乒乓球","score":0.21235},{"name":"洗洁精","score":0.177492},{"name":"步骤","score":0.157355},{"name":"色素","score":0.151149},{"name":"吸管","score":0.147697},{"name":"鸡蛋","score":0.137987},{"name":"原理","score":0.127362},{"name":"名称","score":0.125477},{"name":"装满水","score":0.12011}],"music_name":"","origin_status":0,"password_v2":"","font_id":0,"title_style":"","rich_text_title":"","enable_download":1,"cover_thumb":"https://ss-mpvolc.meipian.me/users/58203694/1592459897240__jpg.heic","has_video":true,"gift_switch":1,"enable_watermark":1,"content":{"article_id":235457302,"content":[{"source":0,"text":"
2020我们已经在“抗疫”中历经五个多月,虽然国内疫情已基本控制,但国外疫情仍在肆意蔓延,返校学习仍然遥遥无期,我们的科学课网络学习以理论为主导,为了让同学们能亲历科学探究,今天老师又给同学们准备了一些在家就能做的小实验,希望同学们能在科学探索中傲游!
","type":1},{"img_height":300,"img_size":56,"img_url":"https://ss-mpvolc.meipian.me/users/58203694/4949bf9d657cf1d728e2f5f2c3a426f5__jpg.heic","img_width":224,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNTgyMDM2OTQvNDk0OWJmOWQ2NTdjZjFkNzI4ZTJmNWYyYzNhNDI2ZjVfX2pwZy5oZWlj/nickname/amlhb2ppYW8=/userid/NTgyMDM2OTQ=/sign/ae49aac5db9f06e5943a7960c8aa560b"},{"source":0,"text":"名称:站立的鸡蛋
材料:盐、鸡蛋
步骤:尝试把鸡蛋立在桌子上,观察是否站立,在桌上撒一小撮盐,再尝试把鸡蛋立在盐上,吹开所有盐观察鸡蛋。
原理:小盐粒增加了鸡蛋和桌面之间的摩擦力,并形成了稳定的三角支撑,就像三脚架一样把鸡蛋支住了。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":40,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460885896__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460856936.mp4"},{"source":0,"text":"名称:自制海洋瓶
材料:三色海绵宝宝、注射器、瓶子、贝壳、碗
步骤:将三色海绵宝宝分别倒入3个碗中加水浸泡至直径1.5厘米大小,把浸泡好的海绵宝宝放入注射器中注碎,按照蓝、白、绿的顺序注入瓶中(或自己搭配),中间加入几粒贝壳。
","type":1},{"img_height":1080,"img_size":95,"img_url":"https://ss-mpvolc.meipian.me/users/58203694/e300f70427b9de1f769bafc72daa95c7__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNTgyMDM2OTQvZTMwMGY3MDQyN2I5ZGUxZjc2OWJhZmM3MmRhYTk1YzdfX2pwZy5oZWlj/nickname/amlhb2ppYW8=/userid/NTgyMDM2OTQ=/sign/ae49aac5db9f06e5943a7960c8aa560b"},{"source":0,"text":"名称:液体分层
材料:杯子三个、色素两色、洗洁精、水、油
步骤:在三个杯子中分别倒入相同体积的水、油、洗洁精,在水和洗洁精中滴入不同颜色色素并搅拌均匀,把水、油依次倒入装洗洁精的杯子并观察现象。
原理:洗洁精、水、油它们的密度不同,密度最大的洗洁精沉在最底部,水在中间,密度最小的油浮在最上面。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":33,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460783932__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460762054.mp4"},{"source":0,"text":"名称:转移的水
材料:杯子两个、吸管、水
步骤:一个杯子中装满水另一个杯子不装水,把吸管中装满水,两个口分别放在两个杯中观察现象。
原理:当两个杯子里的水位置高低不同,把装满水的吸管两端分别放进这两只杯子里时,水会经吸管由水面较高的一边留向较低的一边,一直到两边杯子内水位相等为止,这种现象叫作\"虹吸现象\"。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":36,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592462530521__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592462500963.mp4"},{"source":0,"text":"名称:飞出来的水
材料:瓶子、吸管、杯子
步骤:瓶中装满水,把吸管放入瓶中,往瓶中吹气,观察现象。
原理:我们向瓶口吹气时,瓶内的气压会越来越高,由于玻璃瓶空间有限,而吸管就形成一个对外的通道,气压便压迫瓶中的水,经由吸管向外喷。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":17,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460301721__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460289739.mp4"},{"source":0,"text":"名称:鸡蛋跳水
材料:鸡蛋、杯子、纸板、纸筒、水
步骤:杯中装入半杯水,把硬纸板放在杯子上,将圆纸筒放在硬纸板上,注意要放在水杯的正上方,将鸡蛋放在圆纸筒上,侧面迅速拍飞硬纸板,观察鸡蛋运动情况。
原理:运用了惯性的原理。惯性是物体的一种固有属性,是会让物体保持静止或者迅速直线运动的状态,抵抗运动状态被改变的性质。
","type":1},{"source":0,"text":"名称:长高的水
材料:矿泉水瓶、色素、水
步骤:矿泉水瓶中大半瓶水,加入色素摇晃均匀,放入冰箱冷冻几小时后观察。
原理:水在0℃以下具有热缩冷胀的作用,把水放到冰箱冷冻后水的体积变大,所以水就长高了充满了整个水瓶。
","type":1},{"img_height":1620,"img_size":84,"img_url":"https://ss-mpvolc.meipian.me/users/58203694/7b8c413f9911d2e73c76e04b16fc6cba__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNTgyMDM2OTQvN2I4YzQxM2Y5OTExZDJlNzNjNzZlMDRiMTZmYzZjYmFfX2pwZy5oZWlj/nickname/amlhb2ppYW8=/userid/NTgyMDM2OTQ=/sign/ae49aac5db9f06e5943a7960c8aa560b"},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":25,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460221368__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460205181.mp4"},{"source":0,"text":"名称:被水抓住的乒乓球
材料:乒乓球、水、杯子
步骤:盆中装满水把杯子倒扣在盆子中央当做路障,用水浇在乒乓球上观察乒乓球运情况。
原理:流速越大的地方,压强越小,反之流速越小,压强越大。在水流中的乒乓球,当乒乓球偏离水流中心向水池下方运动时,由于乒乓球滚动方向下侧的水流速度小压强大,上方的水流速度大压强小,产生一个向上的压力差,将乒乓球水平向上推。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":40,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460096790__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460069211.mp4"},{"source":0,"text":"名称:水流分合
材料:矿泉水瓶、红墨水、图钉、水
步骤:矿泉水瓶中装满水,再滴几滴红墨水并摇晃均匀,用图钉在矿泉水瓶底部扎几个洞,打开瓶盖水流就出,用手横向、纵向擦拭水流观察现象。
原理:实验中用手横向擦拭分散水流,水的表面张力缩小了水的表面积,使其变成一股水流;而竖向擦拭,破坏了水的张力,水流又重新分散。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":36,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460048532__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460024916.mp4"},{"source":0,"text":"名称:彩色雨滴
材料:杯子两个、色素、油、水
步骤:在一个杯子中倒入小半杯油,在另一个杯子中倒入大半杯水,在油中滴入几滴色素然后用小棒搅拌均匀然后倒入装水的杯子观察。
原理:由于油和水的性质不同,所以不能相溶。又因为油的密度比水小,所以油会浮在在水上面 。而色素即可以溶于油又可以溶于水,于是在由于地球的吸引而产生的力——重力的作用下产生了该效果。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":36,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592459993480__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592459967882.mp4"},{"source":0,"text":"名称:黄豆摇摇乐
材料:黄豆、塑料瓶、乒乓球、玻璃珠
步骤:把乒乓球放入塑料瓶底,然后将瓶中倒满黄豆,把玻璃珠放到瓶口,盖上盖子使劲儿摇晃瓶子,观察乒乓球和玻璃珠的位置变化。
原理:随着塑料瓶的快速晃动,弹珠由于密度大于黄豆,故因重力作用而下沉,而密度小于黄豆的乒乓球因下沉趋势小于黄豆而相对上升,所以最终乒乓球到达黄豆顶端,与弹珠发生位置转移。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":27,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592459897240__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592459878132.mp4"},{"source":0,"text":"名称:牛奶动画
材料:牛奶、色素、洗洁精、盘子、棉签
步骤:在盘中倒入牛奶没过盘底,在牛奶中滴入几滴色素,用棉签蘸取洗洁精,放在色素中央然后观察。
原理:洗洁精含表面活性剂,可破坏液体表面的张力,被搅动的牛奶带动色素翻滚运动,就出现了漂亮的动画。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":50,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592459948148__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592459915418.mp4"}]},"ext":{"id":158432683,"article_id":235457302,"ip":"117.136.53.91","origin_status":0,"edit_from":0,"client_type":2,"password_v2":"","uv":1,"font_id":0,"title_style":"","rich_text_title":null,"gift_switch":1,"deleted_at":0,"recycle_expired_at":0,"share_with_nickname":1,"enable_watermark":1,"music_id":2125323,"music_source":-1,"_auto_update_time":"2022-11-21 17:06:53"},"extend":{"article_id":235457302,"enable_download":1}},"author":{"id":58203694,"nickname":"jiaojiao","head_img_url":"https://ss-mpvolc.meipian.me/users/58203694/5ff7149109ec8c17552b32820cb71c33","column_visit":282,"signature":"","favorite_count":0,"follow_count":1,"follower_count":52,"famous_type":0,"autoplay_music":1,"text_preference":1,"client_type":0,"reward_word":"如果喜欢我的作品,请打赏鼓励哦!","member_type":0,"wechat_id":"ojq1tt708o6qc2aoZXtBGB3hDDdQ","country":"","province":"","city":"","career":null,"birthday":0,"gender":1,"reg_time":1543992330,"e_id":"","bedge_img":"","label_img":"","review_level":1,"enable_reward_switch":false,"enable_water_mark_switch":1,"plainNickname":"jiaojiao","member_status":0,"member_img":"","ext":null,"phone_num":"135****7498","head_attach_img":null,"badge":null,"onlive":false,"qualification":null,"biz_info":{"is_biz_user":false,"share_domains":[]},"headwear":{"icon":"","animation":"","config":{},"param":{}},"cover_img_url":"","weibo_id":"","vwen_id":"a4ae6479c80e39ed600f95c62c1b9e3f","im_id":"","yx_im_token":"","last_visit_time":1720860810,"ip_address":"122.188.86.25","device_id":"138aa88eaddae636:02:00:00:00:00:00","reviewer":0,"review_time":0,"account_state":0,"balance":940,"last_contribution_time":0,"member_expire_time":0,"member_qq_group":0,"web_has_login":0,"longtitude":"109.4868800","latitude":"29.9895200","last_client_type":0,"level":0,"province_user":"湖北","city_user":"","user_id":58203694,"qq_id":"","apple_id":"","badge_img_url":"","reward_url":"https://www.meipian.cn/wap/reward/view/index.html?mask_id=306175ha&author_user_id=58203694&article_title=%E5%9C%A8%E5%AE%B6%E5%B0%B1%E5%8F%AF%E4%BB%A5%E5%81%9A%E7%9A%84%E5%B0%8F%E5%AE%9E%E9%AA%8C%EF%BC%8C%E6%88%91%E4%BB%AC%E4%B8%80%E8%B5%B7%E5%8A%A8%E8%B5%B7%E6%9D%A5%28%E4%B8%89%29","memo_name":""},"content":[{"source":0,"text":"2020我们已经在“抗疫”中历经五个多月,虽然国内疫情已基本控制,但国外疫情仍在肆意蔓延,返校学习仍然遥遥无期,我们的科学课网络学习以理论为主导,为了让同学们能亲历科学探究,今天老师又给同学们准备了一些在家就能做的小实验,希望同学们能在科学探索中傲游!
","type":1},{"img_height":300,"img_size":56,"img_url":"https://ss-mpvolc.meipian.me/users/58203694/4949bf9d657cf1d728e2f5f2c3a426f5__jpg.heic","img_width":224,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNTgyMDM2OTQvNDk0OWJmOWQ2NTdjZjFkNzI4ZTJmNWYyYzNhNDI2ZjVfX2pwZy5oZWlj/nickname/amlhb2ppYW8=/userid/NTgyMDM2OTQ=/sign/ae49aac5db9f06e5943a7960c8aa560b"},{"source":0,"text":"名称:站立的鸡蛋
材料:盐、鸡蛋
步骤:尝试把鸡蛋立在桌子上,观察是否站立,在桌上撒一小撮盐,再尝试把鸡蛋立在盐上,吹开所有盐观察鸡蛋。
原理:小盐粒增加了鸡蛋和桌面之间的摩擦力,并形成了稳定的三角支撑,就像三脚架一样把鸡蛋支住了。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":40,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460885896__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460856936.mp4"},{"source":0,"text":"名称:自制海洋瓶
材料:三色海绵宝宝、注射器、瓶子、贝壳、碗
步骤:将三色海绵宝宝分别倒入3个碗中加水浸泡至直径1.5厘米大小,把浸泡好的海绵宝宝放入注射器中注碎,按照蓝、白、绿的顺序注入瓶中(或自己搭配),中间加入几粒贝壳。
","type":1},{"img_height":1080,"img_size":95,"img_url":"https://ss-mpvolc.meipian.me/users/58203694/e300f70427b9de1f769bafc72daa95c7__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNTgyMDM2OTQvZTMwMGY3MDQyN2I5ZGUxZjc2OWJhZmM3MmRhYTk1YzdfX2pwZy5oZWlj/nickname/amlhb2ppYW8=/userid/NTgyMDM2OTQ=/sign/ae49aac5db9f06e5943a7960c8aa560b"},{"source":0,"text":"名称:液体分层
材料:杯子三个、色素两色、洗洁精、水、油
步骤:在三个杯子中分别倒入相同体积的水、油、洗洁精,在水和洗洁精中滴入不同颜色色素并搅拌均匀,把水、油依次倒入装洗洁精的杯子并观察现象。
原理:洗洁精、水、油它们的密度不同,密度最大的洗洁精沉在最底部,水在中间,密度最小的油浮在最上面。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":33,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460783932__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460762054.mp4"},{"source":0,"text":"名称:转移的水
材料:杯子两个、吸管、水
步骤:一个杯子中装满水另一个杯子不装水,把吸管中装满水,两个口分别放在两个杯中观察现象。
原理:当两个杯子里的水位置高低不同,把装满水的吸管两端分别放进这两只杯子里时,水会经吸管由水面较高的一边留向较低的一边,一直到两边杯子内水位相等为止,这种现象叫作\"虹吸现象\"。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":36,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592462530521__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592462500963.mp4"},{"source":0,"text":"名称:飞出来的水
材料:瓶子、吸管、杯子
步骤:瓶中装满水,把吸管放入瓶中,往瓶中吹气,观察现象。
原理:我们向瓶口吹气时,瓶内的气压会越来越高,由于玻璃瓶空间有限,而吸管就形成一个对外的通道,气压便压迫瓶中的水,经由吸管向外喷。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":17,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460301721__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460289739.mp4"},{"source":0,"text":"名称:鸡蛋跳水
材料:鸡蛋、杯子、纸板、纸筒、水
步骤:杯中装入半杯水,把硬纸板放在杯子上,将圆纸筒放在硬纸板上,注意要放在水杯的正上方,将鸡蛋放在圆纸筒上,侧面迅速拍飞硬纸板,观察鸡蛋运动情况。
原理:运用了惯性的原理。惯性是物体的一种固有属性,是会让物体保持静止或者迅速直线运动的状态,抵抗运动状态被改变的性质。
","type":1},{"source":0,"text":"名称:长高的水
材料:矿泉水瓶、色素、水
步骤:矿泉水瓶中大半瓶水,加入色素摇晃均匀,放入冰箱冷冻几小时后观察。
原理:水在0℃以下具有热缩冷胀的作用,把水放到冰箱冷冻后水的体积变大,所以水就长高了充满了整个水瓶。
","type":1},{"img_height":1620,"img_size":84,"img_url":"https://ss-mpvolc.meipian.me/users/58203694/7b8c413f9911d2e73c76e04b16fc6cba__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNTgyMDM2OTQvN2I4YzQxM2Y5OTExZDJlNzNjNzZlMDRiMTZmYzZjYmFfX2pwZy5oZWlj/nickname/amlhb2ppYW8=/userid/NTgyMDM2OTQ=/sign/ae49aac5db9f06e5943a7960c8aa560b"},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":25,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460221368__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460205181.mp4"},{"source":0,"text":"名称:被水抓住的乒乓球
材料:乒乓球、水、杯子
步骤:盆中装满水把杯子倒扣在盆子中央当做路障,用水浇在乒乓球上观察乒乓球运情况。
原理:流速越大的地方,压强越小,反之流速越小,压强越大。在水流中的乒乓球,当乒乓球偏离水流中心向水池下方运动时,由于乒乓球滚动方向下侧的水流速度小压强大,上方的水流速度大压强小,产生一个向上的压力差,将乒乓球水平向上推。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":40,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460096790__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460069211.mp4"},{"source":0,"text":"名称:水流分合
材料:矿泉水瓶、红墨水、图钉、水
步骤:矿泉水瓶中装满水,再滴几滴红墨水并摇晃均匀,用图钉在矿泉水瓶底部扎几个洞,打开瓶盖水流就出,用手横向、纵向擦拭水流观察现象。
原理:实验中用手横向擦拭分散水流,水的表面张力缩小了水的表面积,使其变成一股水流;而竖向擦拭,破坏了水的张力,水流又重新分散。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":36,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592460048532__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592460024916.mp4"},{"source":0,"text":"名称:彩色雨滴
材料:杯子两个、色素、油、水
步骤:在一个杯子中倒入小半杯油,在另一个杯子中倒入大半杯水,在油中滴入几滴色素然后用小棒搅拌均匀然后倒入装水的杯子观察。
原理:由于油和水的性质不同,所以不能相溶。又因为油的密度比水小,所以油会浮在在水上面 。而色素即可以溶于油又可以溶于水,于是在由于地球的吸引而产生的力——重力的作用下产生了该效果。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":36,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592459993480__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592459967882.mp4"},{"source":0,"text":"名称:黄豆摇摇乐
材料:黄豆、塑料瓶、乒乓球、玻璃珠
步骤:把乒乓球放入塑料瓶底,然后将瓶中倒满黄豆,把玻璃珠放到瓶口,盖上盖子使劲儿摇晃瓶子,观察乒乓球和玻璃珠的位置变化。
原理:随着塑料瓶的快速晃动,弹珠由于密度大于黄豆,故因重力作用而下沉,而密度小于黄豆的乒乓球因下沉趋势小于黄豆而相对上升,所以最终乒乓球到达黄豆顶端,与弹珠发生位置转移。
","type":1},{"img_height":720,"img_width":960,"source":0,"source_platform":"local","type":3,"video_length":27,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/58203694/1592459897240__jpg.heic","video_url":"http://video.ivwen.com/users/58203694/1592459878132.mp4"},{"source":0,"text":"名称:牛奶动画
材料:牛奶、色素、洗洁精、盘子、棉签
步骤:在盘中倒入牛奶没过盘底,在牛奶中滴入几滴色素,用棉签蘸取洗洁精,放在色素中央然后观察。
原理:洗洁精含表面活性剂,可破坏液体表面的张力,被搅动的牛奶带动色素翻滚运动,就出现了漂亮的动画。
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