题型：单选题 题类：常考题 难易度：容易
科学探究的基本环节
|
实验序号 |
质量m/g |
体积v/cmm³ |
下落高度h/cm |
沙坑的深度d/mm |
|
1 |
20 |
7.5 |
50 |
2.6 |
|
2 |
20 |
7.5 |
60 |
3.5 |
|
3 |
20 |
7.5 |
70 |
5.0 |
|
4 |
20 |
2.5 |
70 |
11.3 |
|
5 |
20 |
1.8 |
70 |
12.4 |
|
6 |
60 |
7.5 |
70 |
14.6 |
|
7 |
85 |
7.5 |
70 |
15.9 |
试题篮
