科学模拟考卷

科学模拟考卷

7th - 8th Grade

16 Qs

quiz-placeholder

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科学模拟考卷

科学模拟考卷

Assessment

Quiz

Science

7th - 8th Grade

Practice Problem

Hard

Created by

余文馨Wendy Yii

Used 9+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

下列介质中,传声最快的是

A.水

B. 真空

C.铜

D.空气

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

用较厚的刻度尺测量一物体长度,如图,正确的是

A

B

C

D

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

如图所示,把一块厚玻璃放在钢笔的前面,笔杆看起来好像“错位”了,该图反应的物理规律是

光的折射

光的反射

光沿直线传播

光的色散

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

下列图示实验操作中,正确的是

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图放置相同的砖,对地面的压强关系为

p>p>p

p=p<p

p<p<p

p<p=p

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

四种物质中,既有可燃性又有还原性的化合物是

C

H2

CO

CO2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下所示科学家的探究过程,请指出正确的排列顺序。

I. 确定涉及的变数 II. 提出假设 III. 设计探究问题 IV. 设计探究方法

I, II, III, IV

II, III, IV, I

III, I, II, IV

IV, I, III, II

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