
操作性技能 / 科学室规则
Quiz
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Science
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10th - 12th Grade
•
Medium
LAM Moe
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在使用钢卷尺测量物体的长度时,如果握着尺钩的人不小心把手放开了,握着尺壳的人应该怎么做?
马上推下制动器
马上放开尺壳
马上用手捉住尺条
马上用脚踩住尺条
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪项有关使用弹簧秤的说明是正确的?
把要测量的物体吊在挂钩上时,要避免指针与外壳摩擦,以减少误差。
使用弹簧秤前,先把重物吊在挂钩上,以确保指针不会卡在外壳上。
手握着吊环并左右摇晃弹簧秤,便能使指针指着零刻度。
读取以克或以牛顿为单位的读数都能得知物体的质量
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
为什么所测量的物体的质量或力不可以超过弹簧秤的量度范围?
这是因为超重的物体或过度的力会导致弹簧秤上的挂钩损坏而无法再使用。
如果所测量的物体的质量或力超出了弹簧秤的量度范围会使到弹簧秤出现短时期的故障。
超重的物体或使用过度的力会使弹簧秤的指针卡在外壳上而影响所获取的读数。
这是因为弹簧秤里的弹簧因所承受的量度已超出了其极限而无法恢复原来的长度,这会让弹簧秤损坏。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项是正确拿取弹簧秤的方法?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下是制作叶面的玻片标本的步骤。M步骤是什么?
把透明胶纸粘在载玻片上
把透明胶纸粘在载玻片上并快速撕起
包透明胶纸浸入指甲油里,然后粘在载玻片上
把透明胶纸粘在载玻片上,然后在透明胶纸上滴水
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上显示什么操纵性技能?
正确及小心地处理标本
正确地应用与处理科学用具和材料
用正确的方法来清洗科学用具
正确及安全地存放科学用具和材料
正确地画出标本、科学用具和材料
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项是清理显微镜正确的方法?
用酒精涂在镜片上
用蒸馏水清洗
用洗碗剂清洗
用布擦镜片
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