题型:单选题 题类: 难易度:普通
浙江省杭州市余杭区2024学年七年级上学期科学10月独立作业试卷(含答案1.1-2.1)
时间(分) |
0 |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
温度(℃) |
60 |
52 |
45 |
39 |
34 |
30 |
27 |
25 |
24 |
24 |
24 |
干球温度 |
干湿差(干球温度减去湿球温度) |
||||
1.0℃ |
2.0℃ |
3.0℃ |
4.0℃ |
5.0℃ |
|
-5.0℃ |
77% |
54% |
32% |
11% |
— |
0.0℃ |
82% |
65% |
47% |
31% |
15% |
5.0℃ |
86% |
71% |
58% |
45% |
32% |
10.0℃ |
88% |
76% |
65% |
54% |
44% |
15.0℃ |
90% |
80% |
70% |
61% |
52% |
20.0℃ |
91% |
82% |
74% |
66% |
58% |
25.0℃ |
92% |
83% |
76% |
68% |
61% |
30.0℃ |
93% |
86% |
79% |
73% |
67% |
35.0℃ |
93% |
87% |
81% |
75% |
69% |
选项 | 错误操作 | 测量结果 |
A | 用拉得很紧的皮卷尺去测量某同学的跳远距离 | 偏大 |
B | 在测量头发的直径时,如果把头发绕在铅笔上时没有排列紧密 | 偏大 |
C | 用温度计测沸水温度时,将温度计移出沸水读数 | 偏大 |
D | 用刻度尺测量物体长度时,视线未与刻度尺垂直 | 偏大 |
t/℃ | 25 | 27 | 29 | 31 | 33 | 35 |
h/ cm | 0 | 5 | 9.6 | 13.6 | 16.8 | 19 |
试题篮