4上自然第三四單元二

4上自然第三四單元二

4th Grade

90 Qs

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90 Qs

4上自然第三四單元二

4上自然第三四單元二

Assessment

Quiz

Education

4th Grade

Practice Problem

Easy

Created by

吳俊德 吳俊德

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90 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

觀察鐵生鏽的過程中,發現水、空氣、溫度和酸鹼性等因素都會造成鐵生鏽。

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

要融化固態的巧克力可以用隔水加熱的方式來提高溫度。

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

河流長時間的沖刷岩石,會使岩石碎裂。

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

打鼓時,使用鼓棒敲打鼓面的目的是讓鼓棒振動而產生聲音。

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

火災的警報器是利用警鈴來告知住戶們:發生火災了!

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在火車月臺上可以聽到廣播,讓旅客知道班車即將停靠或離開月臺的狀況,是一種光的應用。

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

日常生活中所有的物品都可以觀察到光線明顯的反射。

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