• 沒有找到結果。

第五章 結論與建議

第二節 建議

本節依據研究與實驗過程中發現之相關問題、以及可再進行改善的部 份提出相關的建議,以供未來研究之參考:

壹、對於電化學反應課程教學之建議

本研究對教學設計之建議包含(1)進行電化學反應課程時,建議以靜態擴增 之學習環境並融入程序引導策略輔助教學,以獲得更好的學習成效;(2)在進行 電化學反應課程時,建議以擴增實境實驗遊戲進行教學,將有助於提升學習動 機。各項建議分述如下:

一、進行電化學反應課程時,建議以靜態擴增之學習環境並融入程序引導策略 輔助教學,以獲得更好的學習成效

本研究結果證實擴增實境實驗遊戲融入體驗式學習循環之教學確實能夠提 升學習者在電化學反應概念之學習成效,其中,以靜態擴增搭配程序引導策略 之學習成效較佳。由於化學課程之概念大多較為抽象,學習者僅憑自我想像的 方式學習是不足的,且化學課程是具有連貫性的,若對某些單元不甚了解可能 會影響後續相關課程。因此,若能使用擴增實境的方式幫助學習者看到化學反 應所隱含之抽象概念,並搭配程序引導策略幫助學習者循序建構知識,將有助 於學習者在電化學反應相關概念之學習成效。

二、在進行電化學反應課程時,建議以擴增實境實驗遊戲進行教學,將有助於 提升學習動機

本研究結果證實擴增實境實驗遊戲確實能提升學習者之學習動機。本研究 之遊戲是以知名電影之英雄人物為主角借此引發學習者的興趣,並與學科內容 與劇情做連結讓學習者融入劇情之中,因此本研究建議,若開發遊戲式教材

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時,遊戲人物最好能引起學習者的共鳴,並且劇情之設計與學習內容具有相關 興,讓學習者不自覺地將學科內容在遊戲中學習。對學習者而言,擴增實境這 項科技並未普遍用於教學上,因此學習者初次接觸到會感到好奇並不斷嘗試與 之互動。若是互動程度不足以滿足學習者之好奇心與探索之欲望,將會失去對 於學習的積極度,因此本研究建議開發擴增實境之教材時,對於虛擬資訊之互 動機制可以進行更直覺地互動,例如:點擊、拖曳或體感等等互動機制。

貳、未來研究方向之建議

本研究針對未來研究方向之建議,包含:(1)研究對象之延伸;(2)其他教學資 源之應用;(3)其他評量方式。各建議分述如下:

一、研究對象之延伸

本研究因人力資源不足與時間上的限制,僅選取桃園縣某高中一年級學習 者做為研究樣本進行實驗教學。建議未來之研究可將研究對象延伸至較低年齡 之國中生,以瞭解其他不同年齡學習者之學習效益,同時讓教學者依據不同年 齡層之學習者設計適切的擴增實驗教材,進而提升學習成效。

二、其他教學資源之應用

本研究為考量學習者在學習之易用性,故以平板電腦進行擴增實境實驗教 學。在實驗進行的過程中,學習者認為平板電腦的螢幕尺寸太小,無法將整體 實驗設備照攝至螢幕中,未來建議平板電腦的螢幕尺寸可以挑選合適之尺寸進 行擴增實境實驗教學,並使用平板支架固定,減少學習者的負擔。

三、其他評量方式

本研究之教學課程為基礎化學必修科目中的實驗課程,可謂未來進階化學

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課程之基石,研究結果顯示學習者在電化學反應概念學習成效有較佳的表現,

但因成效評量方式為實驗結束後立即測驗,其結果僅為短期記憶之成效。因 此,本研究建議可增加延宕性測驗之方式,確認學習者經由擴增實境實驗教學 後所學之內容是否能夠儲存至長期記憶中,以供未來所面對化學課程之先備知 識。

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附錄一

電化學反應實驗程序引導學習單

89

90

英文元素: K>Na>Ca>Mg>Al> C>( )>Cr>( )>Sn>Pb>

H>( )>Hg>( )>Pt>Au

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2. 為什麼裝上鹽橋後就有電流的產生呢?

---

【任務二】得到電鍍的技術 任務 2-1:電解硫酸銅溶液

 步驟一、4 號包裝物為 16g 硫酸銅粉末,打開包裝丟入標示為電解實驗硫 酸銅溶液的燒杯中後加入蒸餾水至刻度 1000ml,調配出 0.1M 硫酸銅溶 液。

 步驟二、將原本夾鋅片的夾子夾上另一片銅片,並將兩片銅片夾在燒杯兩 側。

 步驟三、測量兩片銅片(包括夾子)的重量並記錄下來。Ps. 請記清楚哪 片要放右邊哪片要放左邊。

左側銅片重量:__________ g 右側銅片重量:__________ g

 步驟四、電池座的紅色導線為正極,使用鱷魚夾接至左側銅片;黑色導線 為負極,接至右側銅片。

接著請依照下列指示進行實驗操作吧!

完成以上步驟後將平板照攝左方辨識圖!

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附錄二

電化學反應實驗問題引導學習單

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「製造鋼鐵人」活動學習單

_____年_____班 座號:_______ 姓名:_______ 性別:______

【任務一】製造電池,取得動力來源 任務 1-1:調配電解液

 步驟一、1 號包裝物為 4g 硫酸鋅粉末,打開包裝丟入標示為硫酸鋅溶液的 燒杯中後加入蒸餾水至刻度 250ml,調配出 0.1M 硫酸鋅溶液。

 步驟二、2 號包裝物為 4g 硫酸銅粉末,打開包裝丟入標示為硫酸銅溶液的 燒杯中後加入蒸餾水至刻度 250ml,調配出 0.1M 硫酸銅溶液。

 步驟三、3 號包裝物為 2g 硝酸鉀粉末,打開包裝丟入紙杯中後加入蒸餾水 至標示處,調配出 0.1M 硝酸鉀溶液。

 步驟四、將夾有鋅片的夾子夾在硫酸鋅溶液燒杯左側之標記處;夾有銅片 的夾子夾在硫酸銅溶液燒杯右側之標記處。

 步驟五、將三用電表(檢流器)旋轉扭轉到 2.5mA(DC),並將鱷魚夾之正 極接上銅片,負極接上鋅片。

 步驟五、將三用電表(檢流器)旋轉扭轉到 2.5mA(DC),並將鱷魚夾之正 極接上銅片,負極接上鋅片。

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