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1072_5043

Authored by Black David

Physics

5th Grade

Used 2+ times

1072_5043
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28 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

要設計簡易樂器時,必須先畫出設計圖,再去觀察樂器,然後了解每一種構造的功能。

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

製作簡易伸縮吸管笛時,把粗吸管換成中空的竹管,會發不出聲音。

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

樂器上的每一個構造都有它的用途,所以設計簡易樂器時,每一個構造都要與實際材料一模一樣才行。

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

樂器的構造一般而言比較精密、也比較複雜,自製樂器時可以將它們簡化。

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

製作簡易樂器之前,應先觀察相關樂器構造和功能,作為設計簡易樂器的參考。

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

真正的烏克麗麗有4條弦,但我們可以簡化,製作有3條弦的簡易烏克麗麗來觀察發聲原理。

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7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

我們可以用粗吸管、棉花和竹筷來製作簡易伸縮吸管笛,用手上下拉動竹筷和溼棉花,來改變聲音的高低。

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