篇一 :分析天平的使用实验报告

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N縱_c剉/f饄蠎豽(W/e秅 Nb?? ?饄蠎豽 Tc(W/e秅 Nb梽v:N N縱_0顅MRO(u儚:N^踠剉/f N縱_5uP[)Ys^0</span></p> <p class=p0 style='text-indent:21.0pt'><span lang=EN-US style='font-size:10.5pt; font-family:媅SO'>FAlOO4</span><span style='font-size:10.5pt;font-family:媅SO'>媁5uP[)Ys^Yb_觺刧俌㑇@b:y0<span lang=EN-US>1</span>N.曍v<span lang=EN-US>(</span>6Rg<span lang=EN-US>)</span>?<span lang=EN-US> 2</span>N>f:yhV?<span lang=EN-US> 3</span>N豽Xb?<span lang=EN-US>4</span>N饄豽?<span lang=EN-US> 5</span>N4ls^闚?<span lang=EN-US> 6</span>N4ls^寕??</span></p> <p class=p0 style='text-indent:20.0pt'><img width=283 height=156 src="index.files/image001.png" align=left hspace=12><span lang=EN-US style='font-size:10.5pt;font-family:媅SO'>(1)FAlOO4</span><span style='font-size: 10.5pt;font-family:媅SO'>媁;N亯?b/gch</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>饄蠎凈V?<span lang=EN-US>0</span>^?<span lang=EN-US>lOOg</span></span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>麐pe緗?<span lang=EN-US>0.lmg</span></span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>畍蛻饄蠎凈V<span lang=EN-US> (</span>螿<span lang=EN-US>)</span>?<span lang=EN-US>0</span>^?<span lang=EN-US>lOOg</span></span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>峇皊'`<span lang=EN-US>(</span>h芉OP頬<span lang=EN-US>)</span>?<span lang=EN-US>0.OOO2g</span></span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>縹'`飲頬??<span lang=EN-US> 0.OOO5g</span></span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>3z歔鰁魰?<span lang=EN-US>d"6s</span></span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>陙!hxx蠎 lOOg</span></span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>_:g剺韕鰁魰?<span lang=EN-US>l20min. </span></span></p> <p class=p0 style='text-indent:21.0pt'><span lang=EN-US style='font-size:10.5pt; font-family:媅SO'>(2)</span><span style='font-size:10.5pt;font-family:媅SO'>5uP[)Ys^剉蚫\O</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>(WO(uMR聣遊4ls^闚0俌4ls^闚4l醠OP鹹 ??宼e4ls^寕?? ?O4l醠MO嶯4ls^闚-N胈0</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>.曍v剉蚫\O烺齹?</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>`$<span lang=EN-US>ON</span>_/T>f:yhV.?</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>闟亯{? cN N<span lang=EN-US>ON</span>.? ?>f:yhVhQ甆?鵞>f:yhV剉烺齹蹚L埨h錱 ?<span lang=EN-US>2s</span>T ?>f:y)Ys^剉媁鱏?6qT/f饄蠎!j_0</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>a$<span lang=EN-US>OFF</span>sQ頃>f:yhV.?</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>{? c<span lang=EN-US>OFF</span>.? ?>f:yhV剄mpsS颯0鍌儚曵e魰 N峇O(u)Ys^ ?擽鑒籗5u恘縹0</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>b$<span lang=EN-US>TAR</span>n鰱0籗畍.?</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>n筟hV嶯饄豽 N ?>f:y鶴筟hV剉(嵪??6qT{? c<span lang=EN-US>TAR</span>.? ?>f:y坢悥 ?彇sS鶴皊hQ鰱秗` ?筟hV(嵪?>f:y TAR,</span>>f:yhV:NhQ鰱 ?sS)Ys^n鰱0</span></p> <p class=p0 style='text-indent:21.0pt'><span lang=EN-US style='font-size:10.5pt; font-family:媅SO'>&nbsp;</span></p> <p class=MsoListParagraph style='text-indent:0cm;line-height:18.0pt;layout-grid-mode: char;text-autospace:none'><span style='font-size:10.5pt'> N0瀃寶蚫\Oek</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>1.</span><span style='font-size:10.5pt'>O(uek?</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>(1)</span><span style='font-size:10.5pt'>錱 w4ls^闚 ?俌 N4ls^ ?亯惽?4ls^寕??岓?4ls^0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>(2)</span><span style='font-size:10.5pt'>?5u恘 ?剺韕<span lang=EN-US>30min</span>T ?筫颯_/T>f:yhV蹚L埻d\O0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>(3)</span><span style='font-size:10.5pt'>{? c<span lang=EN-US>ON</span>>f:y.?T ?鶴皊<span lang=EN-US>0.OOOOg</span>饄蠎!j_T筫颯饄蠎0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>(4)</span><span style='font-size:10.5pt'>\饄蠎ir{?>e(W饄豽-N.Y ?卂>f:yhV NpeW[3z歔T鶴皊(嵪慤SMO<span lang=EN-US>g,</span>sS颯麐pe ?v^皨U_饄蠎觺済0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>2.</span><span style='font-size:10.5pt'>饄蠎筫誰?</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>(1)</span><span style='font-size:10.5pt'>鶹歔饄蠎誰<span lang=EN-US>(</span>蟢齆饄諷體駛x<span lang=EN-US>0.5000g)</span>?</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span style='font-size:10.5pt'>諷Nr^繯h坆椏v ?>eeQ5uP[)Ys^匭 ?卂>f:y芉nx(嵪?T ? c<span lang=EN-US>TAR(</span>n鰱.?<span lang=EN-US>)</span>T ?魐(u[r覊STh坆椏v-Nbaba燫7h ?髞)Ys^O\U^ N>f:y<span lang=EN-US>0.5000g</span>0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>(2)</span><span style='font-size:10.5pt'>愊Q饄蠎誰<span lang=EN-US>(</span>饄諷<span lang=EN-US>0.3-0.4g</span>體駛x$N齆<span lang=EN-US>)</span></span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span style='font-size:10.5pt'>`$(u鋘竳ag諷$N*Nr^繯\鏿og ?鱏R+R:N<span lang=EN-US>1</span>0<span lang=EN-US>2,</span>R+R(WR恎)Ys^ N芉nx饄蛻 ?zz鏿og(嵪懓?:N<span lang=EN-US>m<sub>0</sub></span>孴<span lang=EN-US>m<sub>1</sub></span>0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span style='font-size:10.5pt'>a$(u鋘竳ag諷Nr^繯剉饄蠎鰐 ?燫eQ<span lang=EN-US>1g</span>體駛x墊+g<span lang=EN-US>,</span>(WR恎)Ys^ N芉nx饄蛻<span lang=EN-US>(</span>芉nx髞<span lang=EN-US>0.lmg),</span>皨 NvQ(嵪?:N<span lang=EN-US>m<sub>2</sub></span>KQ0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span style='font-size:10.5pt'>b$(uN\ag鋘竳WY(W饄蠎鰐 N ?諷鶴饄蠎鰐T ?峇(uN\Gr鋘竳SOO鰐講 ?\饄蠎鰐Sb_ ?(u講{弡弐e鸔饄蠎鰐 ?l忹y體駛x<span lang=EN-US>0.3</span>^?<span lang=EN-US>0.4g</span>嶯\鏿og<span lang=EN-US>1</span>-N ?v^芉nx饄鶴饄蠎鰐孴iRYO體駛x螿\(嵪?:N<span lang=EN-US>m<sub>3</sub></span>KQ ?錘 T7h筫誰l忹y諎7h<span lang=EN-US>0.3</span>^?<span lang=EN-US>0.4g</span>嶯\鏿og<span lang=EN-US>2</span>-N ?峇芉nx饄鶴饄蠎鰐孴iRYO諎7h剉螿\(嵪?:N<span lang=EN-US>m<sub>4</sub></span>KQ0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span style='font-size:10.5pt'>c$芉nx饄鶴$N*N鏿og燫諎7h剉(嵪? ?R+R:N<span lang=EN-US>m<sub>5</sub></span>孴<span lang=EN-US>m<sub>6</sub></span>KQ0</span></p> <p class=MsoListParagraph style='line-height:18.0pt;layout-grid-mode:char; text-autospace:none'><span lang=EN-US style='font-size:10.5pt'>&nbsp;</span></p> <p class=p0><span style='font-size:10.5pt;font-family:媅SO'>踁0瀃寶penc皨U_0pencYt</span></p> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>?</span><span lang=EN-US style='font-size:10.5pt'>1</span><span style='font-size:10.5pt;font-family:媅SO'> ?鶹歔饄蠎誰皨U_h? </p> <table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;border:none'> <tr> <td width=284 valign=top style='width:213.05pt;border:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt'> <p class=p0><span style='font-size:10.5pt;font-family:媅SO'>!kpe</span></p> </td> <td width=284 valign=top style='width:213.05pt;border:solid windowtext 1.0pt; border-left:none;padding:0cm 5.4pt 0cm 5.4pt'> <p class=p0><span style='font-size:10.5pt;font-family:媅SO'>諎7h蛻?</span><span lang=EN-US style='font-size:10.5pt'>g</span><span style='font-size:10.5pt; font-family:媅SO'> ?</span></p> </td> </tr> <tr> <td width=284 valign=top style='width:213.05pt;border:solid windowtext 1.0pt; border-top:none;padding:0cm 5.4pt 0cm 5.4pt'> <p class=p0><span lang=EN-US style='font-size:10.5pt'>1</span></p> </td> <td width=284 valign=top style='width:213.05pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt'> <p class=p0><span lang=EN-US style='font-size:10.5pt'>&nbsp;</span></p> </td> </tr> <tr> <td width=284 valign=top style='width:213.05pt;border:solid windowtext 1.0pt; border-top:none;padding:0cm 5.4pt 0cm 5.4pt'> <p class=p0><span lang=EN-US style='font-size:10.5pt'>2</span></p> </td> <td width=284 valign=top style='width:213.05pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt'> <p class=p0><span lang=EN-US style='font-size:10.5pt'>&nbsp;</span></p> </td> </tr> </table> <p class=p0 style='text-indent:21.0pt'><span style='font-size:10.5pt; font-family:媅SO'>?</span><span lang=EN-US style='font-size:10.5pt'>2</span><span style='font-size:10.5pt;font-family:媅SO'> ?愊Q饄蠎誰皨U_h? </p> <table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;border:none'> <tr> <td width=189 valign=top style='width:142.0pt;border:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt'> <p class=p0><span style='font-size:10.5pt;font-family:媅SO'>饄蠎鱏</span></p> </td> <td width=189 valign=top style='width:142.05pt;border:solid windowtext 1.0pt; 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篇二 :学习使用天平和量筒实验报告

学习使用天平和量筒实验报告

班级:      实验者:       小组成员:                   实验时间:

实验目的

1.会调节天平,会测出固体和液体的质量,会正确地记录测量值.

2.会用量筒测液体和固体的体积,会正确地观察和读数.

器材:天平、砝码、量筒、体积相同的铜、铝块、铁块、烧杯、水、硬币若干、水果或蔬菜等

实验步骤:

1.把天平放在水平台上,观察天平的量程是          以及游码标尺上的分度值是     

2.把游码放在称量标尺的零刻线处,调节横梁上的螺母,使横梁平衡。

3.学生依次把硬币、铁块、铝块、铜块、水果或蔬菜放在天平的左盘,称出它们的质量,并记下测量结果。

4.测水的质量     ①先称空烧杯的质量m1,    ②再称烧杯瓶和水的总质量m2,   ③根据m2-m1算出烧杯中水的质量。

5. 测50 ml水的质量    ①先称烧杯和水的总质量m1,    ②再将水倒出50 ml称出剩余烧杯和水的总质量m2,

③根据m1-m2算出50 ml水的质量。

6. 测金属圆柱体的体积    ①先量出适量水的体积v1,     ②再用细线系住物体,缓缓地滑入筒底,测出物体和水的总体积v2       ③根据v2-v1算出物体的体积。

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篇三 :用天平称量物体的质量实验报告单

用天平称量物体的质量实验报告单

            

 

 

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篇四 :第二节:学习使用天平和量筒实验报告

第二节:学习使用天平和量筒实验报告

实验目的:1.会调节天平,会测出固体和液体的质量,会正确地记录测量值.

2.会用量筒测液体和固体的体积,会正确地观察和读数.

3. 培养观察能力、实验能力操作规范的良好习惯.

器材:天平、砝码、量筒、体积相同的铜、铝块、铁块、烧杯、水等

实验步骤:一、复习提问

二、1.学生阅读实验报告册P20,了解实验目的,实验所用的器材,实验步骤。明确实验过程该做些什么?

2.清点实验器材。

3.设计实验记录表格。

测固体的质量

测水的质量

测50ml水的质量

测固体的体积

三、学生实验

1.把天平放在水平台上,观察天平的最大秤量值以及游码标尺上的最小刻度值,让学生汇报观察结果。

2.把游码放在标尺的零刻线处,调节横梁上的螺母,使横梁平衡。教师巡视指导。

3.学生依次把粉笔、铁块、铝块、铜块放在天平的左盘,称出它们的质量,并记下测量结果。

4.测水的质量时,让学生先讨论应该怎样称?并比较不同的称法对测量结果的影响。

⑴第一种称法:

①先称空烧杯的质量m1,

②再称烧杯瓶和水的总质量m2,

③根据m2-m1算出烧杯中水的质量。

⑵第二种称法:

①先称烧杯瓶和水的总质量m1,

②再称将水倒出后空瓶的质量m2,

③根据m1-m2算出烧杯中水的质量。

第一种方法能较准确称出烧杯水的质量,第二种方法由于水倒出时,有水滴残留在瓶中,所以算出的并不完全是原来装在烧杯中水的质量。只是从烧杯中倒出的水的质量。

学生按第一种方法实验称烧杯水的质量。

在学生进行称物体质量的实验中,教师巡视指导。看同学增减砝码时是否用镊子?物体和砝码所放的两个盘子是否调错?调好的天平实验时是否随便移动?称水的质量时是否将水滴在天平的盘子上?是否天平重新平衡时进行读数等。对学生提出的疑问教师给予及时解答。

5. 测100 ml水的质量

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篇五 :使用天平测量物质密度实验报告单

宏润中学物理实验报告单

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篇六 :实验室电子天平使用规则

电子天平使用规则

一、操作前检查

1、天平电线是否接好电源。

2、天平水平仪中空气泡是否在圈内中部。

二、操作顺序

1、插好AC适配器,接通电源。

2、接通电源后,天平自动进行调整灵敏度。等显示不闪烁后,按下《POWER》键,全显示灯亮,显示g(克),再次按下《POWER》键,进入待机(设备预热)状态,至少预热一小时;待天平稳定后,再进行灵敏度调整,即先按《CAL》键,再按《O/T》键,出现砝码标志,天平进入灵敏度调整。

3、物体称量 待显示稳定后,显示为0.0000g,轻轻划开称量室的玻璃门,将待称物放到称量盘上,关上玻璃门。显示稳定后,读取显示值。若使用容器时,先将容器放到称量盘上,关好玻璃门,待显示稳定后按《O/T》键。作为稳定目标的稳定标志→灯亮,显示零;再打开玻璃门,将称量的物品放入容器内,关闭玻璃门,显示稳定后,读取显示值。

4、称量完毕后,若较短时间内还使用天平(或其他人还使用天平),则暂时不关闭天平。若长时间不使用天平,按《POWER》键,关闭天平,可不必切断电源,再用时可省去预热时间。

三、注意事项

1、首先通电必须预热30分钟以上,平时保持天平一直处于通电状态;不用时,按《POWER》键关机,不要拨电源,不必担心变压器长期使用会减少其寿命。如果一天要多次使用,最好让天平整天开着,这样电子天平内部能有一个恒定的操作温度,有利于称量的准确性

2、关上防风罩,等数值稳定了再读数。

3、当变换了工作场所或环境温度发生变化,以及每连续工作四小时后,推举重新校正一次(指 0.1mg精度以上天平)。

4、不要冲击称盘,不要让粉粒等异物进入中央传感器孔。

5、使用后应及时清扫天平内外(切勿扫入中央传感器孔),定期用酒精擦洗称盘及防护罩,以保证玻璃门正常开关。

6、天平长时间不使用时,称量室的玻璃门可稍微打开,可防止产生温度差。

7、远离空调的吹风口。避免气流和温度差对测定产生不稳定。

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篇七 :用天平测量固体和液体的质量的实验报告单

贵州省荔波县第二中学物理实验报告单

姓名:         班级:         同组人:                    

一、实验名称:用天平测固体、液体的质量

二、实验目的:(1)学会用天平测固体、液体的质量,熟练掌握天平的使用方法。(2)培养学生动手操作能力,初步知道一些特殊的测量方法。          

三、实验器材:            、立方体组(内有体积相同的铝块、铁块、铜块各一)、烧杯、、水

四、实验操作步骤及要求
1、移动游码到标尺的零刻度线处,调节        使天平横梁平衡,将铝块放在天平    边托盘,在     边托盘加、减砝码或调节游码使横梁再次平衡;将右边托盘中各个砝码的质量相加,再加上标尺上的读数,将铝块的质量填于表格中。
2、用同样的方法称出铁块、铜块的质量填于表格中,观察数据和物体体积,思考为什么大小一样的物体质量会不同。
3、用天平称出60ml水的质量:在量筒中装入60ml的水,称出空烧杯的质量m1填于表格,将量筒中的水倒在烧杯中,称出烧杯装水后的总质量m2填于表格,则用m2 –m1可得所测60ml水的质量填于表格中。

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篇八 :高老师基础化学实验教案 有报告模板 台秤和分析天平的使用

实验三  台称及分析天平的使用方法

预习提要:

预习内容p19~p29,p58~p59。

1、目前国内应用最广泛的天平有哪些?

2、了解等背臂双盘电光天平的构造?

3、加减砝码的原则是什么?如何判断天平两盘的轻重?

4、理解下列名词:天平的零点、灵敏度、分度值、平衡点、停点、示值变动性。

5、天平的质量检验有哪几项?如何检验?

6、什么是零点和平衡点?如何调节天平的零点?

7、测定天平灵敏度的步骤是什么?

8、掌握分析天平的使用规则。

9、使用分析天平称量前,应做哪些准备工作?

10、在使用分析天平时,你准备如何保护天平的玛瑙刀口?

11、什么是天平的稳定性、灵敏性、示值变动性和不等臂性?

12、使用中的分析天平,应具有怎样的稳定性和灵敏性?

13、TG-328A型和B型天平的主要不用之处有那些?

14、为什么在称量时,只准开天平箱的侧门而不能开前门?如读数时,没有关天平门时有什么影响?

15、称量的规则有哪些,有哪几条为保护玛瑙刀刃而规定的?

16、如何使用称量瓶、干燥器的。

17、称量前应如何检查天平?

18、在试重过程中要注意什么?

19、使用差减称量法时,事先应作哪些准备?

20、从哪几方面保护天平的玛瑙刀口?

21、称量时下列操作是否正确,为什么?

(1)猛烈开关天平升降枢?

(2)未关升降枢就加减砝码或取放物体?

(3)称量时,边门打开?

(4)称量前,未调节零点。

22、为什么一定要在天平横梁托起才进行操作(如加减砝码、取放物品)?

一、实验目的

1、了解分析天平的构造,掌握分析天平正确操作和使用规则。

2、熟练掌握天平零点的调整方法。

3、掌握天平灵敏度的测定方法。

二、教学重点和难点

  教学重点:电光分析天平的构造和使用规则。.

教学难点: 用平衡螺丝对电光分析天平进行调零,天平灵敏度的测定。

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