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理化-國中7-9年級(四)
過濾條件

搜尋相關的資源 838
Ka-Ⅳ-4-S03-資源代表圖
video Ka-Ⅳ-4-S03
教育部/教育部國中8-9年級
知道超聲波與其應用及認識不同生物的聽力頻率範圍
觀看次數141
修改日期:2026-03-03
Gb-Ⅳ-1-S02-資源代表圖
video Gb-Ⅳ-1-S02
教育部/教育部國中8-9年級
介紹各種化石為生物演化的最直接證據,並說明活化石非為化石。
觀看次數199
修改日期:2026-02-26
用水管隔空吸引鋁罐?│《科科學會了》把課本的「靜電(摩擦起電)」變有趣!-資源代表圖
靜電是什麼?靜電指的是電荷在物體表面不平衡分佈所引起的現象,當兩個物體互相摩擦時,電子會從一個物體轉移到另一個物體上,這種因為電子轉移而產生的電荷現象,就稱為靜電。靜電不會像電流一樣流動,它是暫時停留在物體表面的電荷,直到遇到導體或接地後才會釋放。以日常生活中的例子來說,當我們用塑膠梳子梳頭髮時,會發現頭髮變得容易吸在臉上,這是因為梳頭的過程中,電子從頭髮轉移到梳子上,使頭髮和梳子帶靜電,與臉產生吸附現象。
觀看次數813
修改日期:2026-02-23
ios
時間倒數-資源代表圖
app 時間倒數
洪琮欽/台南市網路中心國小1-4年級,國小6年級~國中9年級
Digital sand timer with artistic design. Time flows and does it stylishly. This digitized hourglass can be used to time anything for up to 60 minutes. It's like having a nice looking visual indicator of how much time is left on your task.* KIDS FRIENDLYTimer visualizes time to kids and lets them feel the time. Without reading or even knowing the numbers one can look at the visualized time flow, feel it and understand how long to wait or whether to hurry up.* STAY NOTIFIEDIt lets you set the alarm sound that will play when the timer is finished. You can choose from 16 unique alarm sounds, melodies and loops. You’ll be notified when your time is up even if you’re using another app or your device is locked. It can also repeat the sound alarm (up to 3 times) at the given interval if it was missed/snoozed.* COLOR YOUR TIMEYou can easily change the timer color to fit your personal lifestyle. There are 5 color themes: turquoise, red, green, amber and pink. Just pick the one you like in the application settings.* UNIVERSAL APPTimer works both on your iPhone/iPod and iPad, contains HD graphics for retina and iPad displays and supports all screen orientations for all devices. [+Retina graphics for iPad 3rd generation]* SEE ALSO: Best TimerBeautifully designed sand timer, stylish kitchen timer, countdown/up and powerful stopwatch All in one creatively combined Best Timer application to suit all your timing needs. Search "Best Timer" on iTunes (http://itunes.apple.com/app/best-timer/id415656570) 洪琮欽 時間倒數 Digital sand timer with artistic design. Time flows and does it stylishly. This digitized hourglass can be used to time anything for up to 60 minutes. It's like having a nice looking visual indicator of how much time is left on your task.* KIDS FRIENDLYTimer visualizes time to kids and lets them feel the time. Without reading or even knowing the numbers one can look at the visualized time flow, feel it and understand how long to wait or whether to hurry up.* STAY NOTIFIEDIt lets you set the alarm sound that will play when the timer is finished. You can choose from 16 unique alarm sounds, melodies and loops. You’ll be notified when your time is up even if you’re using another app or your device is locked. It can also repeat the sound alarm (up to 3 times) at the given interval if it was missed/snoozed.* COLOR YOUR TIMEYou can easily change the timer color to fit your personal lifestyle. There are 5 color themes: turquoise, red, green, amber and pink. Just pick the one you like in the application settings.* UNIVERSAL APPTimer works both on your iPhone/iPod and iPad, contains HD graphics for retina and iPad displays and supports all screen orientations for all devices. [+Retina graphics for iPad 3rd generation]* SEE ALSO: Best TimerBeautifully designed sand timer, stylish kitchen timer, countdown/up and powerful stopwatch All in one creatively combined Best Timer application to suit all your timing needs. Search "Best Timer" on iTunes (http://itunes.apple.com/app/best-timer/id415656570)
點閱數1774
下載數7
修改日期:2026-02-17
【自然系列-化學 | 化學反應03】(勒沙特列原理)從高爐到宇宙的規律-下集-資源代表圖
助手阿布想跟勒沙特列教授學習如何提升煉鐵產量,沒想到都在做些打雜與整理實驗數據的雜事!直到教授發現一個現象後,超級認真做實驗與分析,究竟他們能不能找出提升煉鐵量的關鍵呢?
觀看次數530
下載數0
修改日期:2026-02-06
【自然系列-化學 | 化學計量】(莫耳)化學世界裡的量詞-資源代表圖
儘管「莫耳」只是換算不同原子數量的單位,在生活中也是可好好應用的啦 例如: 有人問妳體重時:可以很潮地說:「我大概和3333莫耳的碳原子一樣重喔~」 之類的,回答既禮貌又有科學素養。 碳原子量12,看完影片自己算算看吧XD
觀看次數479
下載數0
修改日期:2026-02-06
【自然系列-物理 | 光學03】(光的波動說)虎克的逆襲 -part2-資源代表圖
面對牛頓提出的光粒子說,虎克拿出光線交錯的實驗,如果光真的像牛頓所說是粒子,那兩束光交錯不是應該相撞嗎?事實上卻沒有,實驗證據擺在眼前,虎克能成功打臉牛頓嗎?
觀看次數546
下載數0
修改日期:2026-02-06
【自然系列-化學 | 電化學02】(伏打堆與金屬電)蛙腿戰爭II-伏打篇-上集-資源代表圖
伏打對於會跳動的蛙腿提出了全新的解釋,原來就是所謂的「金屬電」。不過金屬電的發現代表動物電就不存在嗎?
觀看次數617
下載數0
修改日期:2026-02-06
【自然系列-化學 | 化學反應02】(化學平衡)化學反應的神奇比例-下集-資源代表圖
古德柏格和瓦格兩位哥倆好,因為貝特羅的實驗開始反覆猜想與驗證所有可逆反應在溫度不變的情況下,反應到最後,原料跟產物會呈現特殊的比例。而這些固定比例則源自於物質的濃度和吸引力所達到的「反應平衡」。
觀看次數536
下載數0
修改日期:2026-02-06
【自然系列-物理 | 聲學】 (聲學)聽見宇宙的聲音-part1-資源代表圖
畢德哥拉斯經過打鐵鋪發現物體震動會產生聲音,而且震動快慢會影響聲音的高低。某天做夢,他竟然聽到宇體每個天體都傳來聲音,這是怎麼一回事呢?
觀看次數452
下載數0
修改日期:2026-02-06