
科学知识测验-1
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
17T103 MING
Used 6+ times
FREE Resource
Enhance your content in a minute
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有关科学研究方法之叙述,正确的是( )。
用科学方法所成立的学说,应该很可靠永远不会变。
若实验结果与假说不符合时,应修改实验过程,使与假说相符。
实验时,除操作变数之外,实验组与对照组的其他条件均需相同。
"假设"是为了所遇到的问题而提出可能的答案,因此只能进行一个实验。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各组仪器中,能在酒精灯火焰上直接加热的一组是( )。
试管,燃烧匙
烧杯,集气瓶
水槽,量筒
集气瓶,燃烧匙
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
点燃本生灯的正确程序为( )。
Ⅰ 旋开煤气
Ⅱ 关掉空气孔
Ⅲ 将点着的火柴移近灯管口
Ⅳ 慢慢旋开空气孔,使火焰变蓝为止
Ⅰ→Ⅱ→Ⅲ→Ⅳ
Ⅱ→Ⅰ→Ⅲ→Ⅳ
Ⅱ→Ⅲ→Ⅰ→Ⅳ
Ⅰ→Ⅲ→Ⅱ→Ⅳ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪项是动物细胞与植物细胞的相同点?
细胞具有细胞核。
细胞具有大液泡。
细胞壁由纤维素组成。
细胞具有行光合作用的细胞器。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
细胞构造中,作为生命活动控制中心的是( )。
细胞膜
细胞质
细胞壁
细胞核
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列关于细菌的叙述中,错误的是( )。
单个细菌在肉眼下看不见
细菌能独立完成各种生命活动
所有的细菌都是有害的
细菌可分为球菌、杆菌和螺旋菌
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某同学将两杯 50mL 的水加在一起,得到的总体积是100ml。如果他将50mL的水加入 50 mL 的乙醇,得到的总体积只有97mL,这说明了什么?
①分子之间的扩散现象 ②分子之向是有空隙的
③不同物质的分子大小有所不同 ④不同物质的分子运动速度有所不同
①③
②④
②③
①④
Create a free account and access millions of resources
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
Similar Resources on Wayground
Popular Resources on Wayground
10 questions
Honoring the Significance of Veterans Day
Interactive video
•
6th - 10th Grade
9 questions
FOREST Community of Caring
Lesson
•
1st - 5th Grade
10 questions
Exploring Veterans Day: Facts and Celebrations for Kids
Interactive video
•
6th - 10th Grade
19 questions
Veterans Day
Quiz
•
5th Grade
14 questions
General Technology Use Quiz
Quiz
•
8th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
15 questions
Circuits, Light Energy, and Forces
Quiz
•
5th Grade
19 questions
Thanksgiving Trivia
Quiz
•
6th Grade
Discover more resources for Science
10 questions
Exploring Newton's Laws of Motion
Interactive video
•
6th - 10th Grade
10 questions
Unit 2: LS.Bio.1.5-LS.Bio.2.2 Power Vocab
Quiz
•
9th - 12th Grade
10 questions
Exploring Light and Waves Concepts
Interactive video
•
6th - 10th Grade
12 questions
Endothermic and Exothermic Reactions
Quiz
•
7th - 10th Grade
10 questions
Exploring Thermal Energy and Temperature Concepts
Interactive video
•
6th - 10th Grade
10 questions
Exploring Kinetic and Potential Energy Concepts
Interactive video
•
6th - 10th Grade
32 questions
Explore Mixtures and Solutions
Quiz
•
9th - 12th Grade
15 questions
Patterns of Evolution MCQ Reading
Passage
•
9th - 12th Grade
