1.3 / December 25, 2017
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Description

模擬中有三頂重量皆為1000公克的皇冠,其中有一頂是純金製成的,其他兩頂卻是合金(參雜其他金屬)製成,槓桿右端懸掛的重量也是1000公克的純金金條。你知道哪個皇冠才是純金製成的真皇冠嗎?這三頂黃冠的密度關係為何(皇冠A> 皇冠B > 皇冠C 還是 皇冠A < 皇冠B <皇冠C)?使用模擬中的量測工具後,你能算出三頂皇冠的密度嗎?希臘哲學家阿基米德為了解決國王要他判斷皇冠是否是純金的問題而發明了浮力原理,物體在水中排開的體積等於它的浮力,但在阿基米德的著作中並無記載他是如何運用浮力原理準確判定皇冠真假的細節,爾後的學者認為參了銀的皇冠與等重的純金浸入水中後排出的體積差異不大,依據當時的量測技術應該很難單純用比較兩物排開水的體積來斷定差異,伽利略在閱讀過阿基米德所有文獻後推論,阿基米德可能結合浮力與槓桿原理來解決這問題。Thereare three simulations are all by weight 1000 grams crown, which ismade of a gold, but it is the other two alloys (doped other metal),the right end of the lever is suspended by weight of 1000 grams ofgold bullion. You really know which of the crown is the crown madeof pure gold? That's three yellow crown density relationship of why(Crown A> Crown B> C or Crown Crown A In order to solve theGreek philosopher Ajimide king asked him to determine whether thecrown was pure gold question invented the principle of buoyancy,the object in the water displaces a volume equal to its buoyancy,but there is no record of his writings in Ejimide how to use thebuoyancy principle to accurately determine the authenticity of thedetails of the crown, and later scholars see little difference involume after immersion in water discharge parameters of silver andother heavy crown of gold, according to the time of measurementtechniques should be difficult to compare with two simple materialdischarge volume of water to determine the differences Galileoafter reading all the literature had Ajimide inferences, Ajimidepossibly in combination with the buoyancy of the lever principle tosolve this problem.

App Information CoSci-真假皇冠

  • App Name
    CoSci-真假皇冠
  • Package Name
    tw.cosci.crown
  • Updated
    December 25, 2017
  • File Size
    Undefined
  • Requires Android
    Android 4.0.3 and up
  • Version
    1.3
  • Developer
    CoSci
  • Installs
    100+
  • Price
    Free
  • Category
    Education
  • Developer
  • Google Play Link

CoSci Show More...

CoSci-真假皇冠 1.3 APK
CoSci
模擬中有三頂重量皆為1000公克的皇冠,其中有一頂是純金製成的,其他兩頂卻是合金(參雜其他金屬)製成,槓桿右端懸掛的重量也是1000公克的純金金條。你知道哪個皇冠才是純金製成的真皇冠嗎?這三頂黃冠的密度關係為何(皇冠A> 皇冠B > 皇冠C 還是 皇冠A < 皇冠B <皇冠C)?使用模擬中的量測工具後,你能算出三頂皇冠的密度嗎?希臘哲學家阿基米德為了解決國王要他判斷皇冠是否是純金的問題而發明了浮力原理,物體在水中排開的體積等於它的浮力,但在阿基米德的著作中並無記載他是如何運用浮力原理準確判定皇冠真假的細節,爾後的學者認為參了銀的皇冠與等重的純金浸入水中後排出的體積差異不大,依據當時的量測技術應該很難單純用比較兩物排開水的體積來斷定差異,伽利略在閱讀過阿基米德所有文獻後推論,阿基米德可能結合浮力與槓桿原理來解決這問題。Thereare three simulations are all by weight 1000 grams crown, which ismade of a gold, but it is the other two alloys (doped other metal),the right end of the lever is suspended by weight of 1000 grams ofgold bullion. You really know which of the crown is the crown madeof pure gold? That's three yellow crown density relationship of why(Crown A> Crown B> C or Crown Crown A In order to solve theGreek philosopher Ajimide king asked him to determine whether thecrown was pure gold question invented the principle of buoyancy,the object in the water displaces a volume equal to its buoyancy,but there is no record of his writings in Ejimide how to use thebuoyancy principle to accurately determine the authenticity of thedetails of the crown, and later scholars see little difference involume after immersion in water discharge parameters of silver andother heavy crown of gold, according to the time of measurementtechniques should be difficult to compare with two simple materialdischarge volume of water to determine the differences Galileoafter reading all the literature had Ajimide inferences, Ajimidepossibly in combination with the buoyancy of the lever principle tosolve this problem.
CoSci-光的折射-捕魚去 1.1 APK
CoSci
"該捕哪裡?":此情境假設人在水面上(n1=1.0)看到水裡(n2=1.333)有隻魚(淡橘色虛像),請問他該將魚網放在哪裡(A,B,C)可以捉到水裡的魚呢?請將魚網以滑鼠拖曳到你認為補得到魚的地方(A,B或C)後放開,如果魚網位置正確,則模擬會自動顯示魚的實像(深橘色)與光的路徑。如果改變n2值時眼睛所看見的魚的虛像位置會如何變化呢?"游來游去":此情境模擬當魚兒在水裡等深處來回游動時,人眼所見水裡魚兒虛像的的位置與形狀的變化。請按按鈕"游來游去"後按"Play"執行模擬,按"Reset"終止模擬,亦可改變n2值後重新執行模擬,觀察不同n2時魚兒虛像的變化。
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