• 沒有找到結果。

第五章 結論與建議

第二節 建議

本節依據研究結果與過程的發現,以及研究者在實驗課程中的心得及感受,

擬提出下列幾點建議:

一、3D 列印機之使用

(一)在使用 3D 列印機時,因會製造塑料加熱時的難聞氣味,建議使用時現 場需維持通風良好。

(二) 列印時環境溫度亦會影響印表機之使用,室溫溫度過低列印效果不佳,

出錯機會極高,建議室溫溫度維持在 25 度 C 以上,以利 3D 列印機使用。

二、以 3D 列印機製作教學者自行設計之教具最能切合教學者心中之教學構想,

建議相關單位可開 3D 繪圖研習課程,讓教師有更多學習機會以增進教學豐富 度。

三、本研究僅針對一般的講述教學法進行教學,但是教學方法有許多種,例如:

遊戲教學法、合作教學法、探究教學法等。建議可以不同的教學方式進行相同的 主題,以求最好的結果。

四、本研究的實驗對象受限於人力、時間等因素,僅對臺中市某所公立國小之五 年級學生進行教學實驗,後續研究可擴大對象到全臺中市及其他縣市公私立國小 五六年級生,可比較之間的差異性並獲取跟多資料,使研究結果更具代表性。

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癮科技科技新報。(2013, Dec 21)[科技新報]英國科學家利用 3D 印表機成功複製 視網膜細胞。摘錄自 12 月 12 日,2013,

從http://www.cool3c.com/article/74044

Janus。(2014, Jan 2)。價格很殺!3D 印表機 da Vinci 1.0 列印初體驗,3D 列印 過程玩給你看。摘錄自 1 月 2 日,2014,

從http://www.techbang.com/posts/16180-3d-printer

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附錄一 教學教案

(2) 那電從哪裏來的呢?

(3) 發電廠又是怎麼製造電的呢?

(4) 說明:

A. 以圖片說明傳統火力發電廠發電方式 B. 說明火力發電的對地球壞處

發展活動 1. 教師提問:

(1) 依序展示再生能源的圖片(太陽能、水力能、風能..),並詢 問「是否有人知道這是什麼?」

40 分 鐘

(2) 學生回答

說明:解示各種能源的發電方式及這些再生能源臺灣哪裏有 建制與使用。並讓孩子瞭解爲何需要發展再生能源。

2. 展示由 3D 列印機製作的風力發電機,由 PPT 展示此發電機的製 作過程,及這裏頭是並不需要使用電池。

( 由 3D 列印機製作的風力發電機,設計了不同的風扇轉動樣 式,除了讓孩子認識風力發電機的運行方式、構造、原理,也希望 能藉由風扇方向理解風力的運行。)

3. 讓孩子動手操作 3D 列印機製作的風力發電機,加深對再生能源的 瞭解。

綜合活動 1.教師提問:

(1) 今天認識了各種再生能源,但除了使用再生能源我們還可以如何 愛護地球節約能源?

(2) 學生回答

5 分鐘

10 分 鐘

念……。

8. 結語:

希望大家在這堂課後,都能用具體的行動,愛地球喔!

課程結束

進行後測以附錄一的後試量表,讓學生進行測驗,瞭解課程後學生對 再生能源及風力發電的認知程度是否有提升

附錄二 再生能源創新教材 (節錄版)

再生能源

創新教材(節錄版)

目 錄

一、哇!太陽能真行! ... 100 二、風力發電知多少? ... 102 三、水力發電 ... 103 四、洋流發電 ... 104 五、海洋溫差發電... 105 六、生質能 ... 107 七、地熱能 ... 108 八、潮汐能~神秘的海! ... 109

一、哇!太陽能真行!

「哇!爸爸!你看!昨天的溫度竟然高成這樣,難怪我都快要熱死了!」旻 旻 誇張地拿著報紙上的新聞跟爸爸說。「真希望 后羿 可以出現把太陽給射下來,

就不會那麼熱了!」

爸爸笑著說:「旻旻 啊!夏天熱一些本來就是正常的,而且對一些善用太陽 能的人來說,看到天氣這麼晴朗,可是開心得閤不攏嘴呢!」

「開心得閤不攏嘴?爸!你有沒有搞錯啊!陽光對我來說,除了熱還是熱!

頂多媽媽把被子曬一曬後會香香的而已,有什麼好值得開心的!」旻旻 睜大眼,

不敢置信的看著爸爸。

媽媽剛好聽到他們父女倆的對話,走過來說:「那你還真的有所不知!現在太 陽能可是最夯(ㄏㄤ)的再生能源呢!在過去,我們對太陽能的利用很早就開始了,

但僅止於被動式的吸熱、曝曬還有你們之前自然課教的利用放大鏡的特殊鏡面將

〔自由時報記者林嘉琪、劉力仁/綜合報導〕

昨天是二十四節氣中的「大暑」,全台艷陽高照。根據環保署紫外 線監測值,全台除雲林斗六及台中市之外,其餘都到危險級的程度。

而台北市週六下午一點三十六分,更出現三十七.二度高溫,破了北 市今年入夏最高溫。氣象局提醒,今天仍然高溫炎熱,紫外線可能達 到過量到危險等級,民眾出門要記得防曬,並補充水份,週一各地區 有機會降下局部陣雨

▲ 家用太陽能集熱板

也是使用太陽能的熱能來使屋內溫暖。它只要在面南的玻璃後加裝一塗黑的水泥 牆,當白天太陽照射時,牆與窗戶間的空氣將受熱而較室內溫暖,進而形成自然 對流以溫暖屋內。而晚上只要把通風口關起來,就可以避免逆流而降低室內溫度,

使室內持續感到溫暖,這樣就不用使用其它會耗費資源的加熱方式來取暖,是個 相當具有環保概念的聰明屋喔!」

爸爸接著說:「是啊!現在的科學家真的很聰明,以前一般的人能夠使用被動 式吸熱就很厲害了,現在科學家還能化被動為主動,透過一些可以吸熱的流體,

如水、空氣等抽送通過較小的熱收集器,把它建築在建築物的頂部,就可以主動 的把吸收的太陽熱能加熱水,或把暖氣送進屋子裡,

二、風力發電知多少?

應全台灣的用電呢!?」

老師從後頭摸摸 小花 的頭說:「嗯!小花 說得很好!風力發電目前除了成本 的考量之外,其實要考量的地方還真不少,就拿風力發電機本身來說好了,每一 支發電機所佔的空間其實相當龐大,光是土地的取得就不是很容易,所以建置發 電機時,除了需考慮當地的風性與地理條件、投資的

老師從後頭摸摸 小花 的頭說:「嗯!小花 說得很好!風力發電目前除了成本 的考量之外,其實要考量的地方還真不少,就拿風力發電機本身來說好了,每一 支發電機所佔的空間其實相當龐大,光是土地的取得就不是很容易,所以建置發 電機時,除了需考慮當地的風性與地理條件、投資的

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