

实验操作考查
Presentation
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Michelle Zou
Used 1+ times
FREE Resource
9 Slides • 33 Questions
1
萧山区2023届初中毕业生科学实验操作考查
by MIZ
2
实验一:显微镜的使用
(使用低倍镜观察植物的永久装片)
Subject | Subject
Some text here about the topic of discussion
3
Fill in the Blank
Type answer...
4
Drag and Drop
3.取装片放在
4.用粗准焦螺旋把镜筒向下适当调
5.用
6.为提高进光量,还可以调节转动
5
Fill in the Blank
Type answer...
6
实验二:洋葱表皮细胞的制作
实验器材:镊子、刀片、载玻片、盖玻片、滴管、清水、红墨水、洋葱鳞片、吸水纸、纱布
准备-实验-讨论-评定
https://www.bilibili.com/video/BV1Wy4y1T7vK/?spm_id_from=333.337.search-card.all.click
Subject | Subject
Some text here about the topic of discussion
7
Fill in the Blank
Type answer...
8
Open Ended
盖上盖玻片,为防止气泡产生,其正确的操作方法是
9
Multiple Choice
洋葱选取应该大小合适。应该为
0.5厘米×0.5厘米
0.5厘米×1.0厘米
1.0厘米×1.0厘米
10
Fill in the Blank
Type answer...
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Match
右图是低倍显微镜下洋葱表细胞结构图,请填写相应的名称
1. 2.
3. 4.
1
2
3
4
x
x
12
探究燃烧的条件
准备
实验
报告单
讨论
整理
Subject | Subject
Some text here about the topic of discussion
13
Multiple Choice
实验第一步是什么
检查器材是否够用,酒精灯量是否合适
找老师
点燃酒精灯
填写实验报告
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Open Ended
用镊子分别夹取蘸有酒精和水的小棉球,放到酒精灯上加热片刻,观察实验现象并记录在表格中。记录结果为
15
Multiple Choice
酒精灯使用应该用_____加热
内焰
外焰
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Open Ended
在玻璃片上,点燃两支小蜡烛,观察它们在空气中燃烧的现象,然后将一个杯口涂有凡士林的玻璃杯倒扣在其中一只蜡烛上,观察实验现象并记录在表格中。记录结果为——
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Open Ended
将一根火柴折断,分成火柴头和火柴梗两部分,同时放在大小合适的铜片上,用酒精灯直接加热铜片,观察实验现象并记录在表格中。记录结果为————————
18
Fill in the Blank
Type answer...
19
Fill in the Blank
Type answer...
20
Open Ended
如果破坏燃烧的条件,就可使燃烧反应停止,从而达到灭火的目的,这就是灭火的原理。请例举生活中两个使用不同灭火原理的灭火例子,并说明其灭火原理。
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实验四:粗盐精制
(制作过滤器并过滤粗盐溶液)
Subject | Subject
Some text here about the topic of discussion
22
Fill in the Blank
Type answer...
23
Fill in the Blank
Type answer...
24
Multiple Choice
最后的滤液应该是
透明的
不透明的
带有沙石
绿色的
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实验五:连接实验室制取二氧化碳的装置及气密性检查
Subject | Subject
Some text here about the topic of discussion
26
Fill in the Blank
Type answer...
27
Draw
写出实验室制取CO2的化学方程式:
28
Fill in the Blank
Type answer...
29
Drag and Drop
先自
再从
30
Fill in the Blank
Type answer...
31
Multiple Choice
气体收集方法应选择
排水集气法
向上排空气法
向下排空气法
32
Fill in the Blank
Type answer...
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实验六:探究浮力的大小
器材的检查与准备
实验一
实验二
器材整理
Subject | Subject
Some text here about the topic of discussion
34
Open Ended
实验一:探究浮力大小与物体浸入水中深度的关系
1. 取一块圆柱体铜块,把它挂在弹簧测力计下
2.在大烧杯中倒入约3/4体积的水,将圆柱体铜块逐渐浸入水中,使浸入水中的深度不断增加,当铜块刚好全部浸入水中后,继续增加浸入水的深度,观察整个过程中弹簧测力计的示数(金属块底部不接触烧杯底部)。
结论:该实验能得出浮力大小与物体浸入水中的深度的关系为
。
35
Open Ended
实验二:验证阿基米德定律:
结论:浸在液体里物体受到竖直向上的 ,其大小等于
36
Fill in the Blank
Type answer...
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实验七:测量滑轮组的机械效率
Subject | Subject
Some text here about the topic of discussion
38
实验八:用电压表和电流表测定值电阻的阻值
电路设计
电路连接
实验操作
数据记录和阻值大小计算
Subject | Subject
Some text here about the topic of discussion
39
Draw
设计电路图(在下面方框中画出电路图)
40
Fill in the Blank
Type answer...
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Poll
你觉得你会被抽到哪一个实验?
42
Poll
你最怕哪一个实验?
萧山区2023届初中毕业生科学实验操作考查
by MIZ
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