科学月团体知识竞答

科学月团体知识竞答

Professional Development

27 Qs

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科学月团体知识竞答

科学月团体知识竞答

Assessment

Quiz

Science

Professional Development

Practice Problem

Easy

Created by

Alice Li

Used 1+ times

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27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个发明不是基于仿生学原理?

飞机机翼模仿鸟类翅膀

眼镜蛇导弹模仿蛇的红外感应

潜水艇模仿鲸鱼浮潜

蒸汽机模仿水沸腾现象

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在月球上同时释放一片羽毛和一枚金币,哪个先落地?(已知月球重力加速度约为地球1/6)

羽毛先落地

金币先落地

同时落地

无法判断

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

为什么红色物体在绿光下会变成黑色?

物体吸收绿光

物体反射红光但绿光无法被反射

绿光被物体转化为红光

绿光使物体发光

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪种金属能被普通磁铁吸引?

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

长笛发声主要依靠的是:

管内空气柱的振动

长笛本身的振动

嘴唇的振动

手指按孔的振动

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在元素周期表中,原子半径最小的元素是?

氢(H)

氦(He)

锂(Li)

氟(F)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

人体中含量最多的元素是?

氧(O)

碳(C)

氢(H)

钙(Ca)

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