搜尋標籤: "performing experiments"

We have to create a sterile field before we perform experiments on microorganisms, this is to ensure no contamination of apparatus by other microorganisms during the operations. This video introduces…

在進行微生物實驗之前，我們必須建立一個無菌區域；實驗過程中亦要確保各操作和工具不被細菌污染。本短片介紹無菌技術的細節，例如：如何建立無菌區域，如何消毒容器的開口、接種環及塗抺棒。

This is an extension of the “Junior Secondary Science” programme entitled The Scientific Method. It is an illustration of the gist of experimental design in an investigation employing the…

本節目是【初中科學科】節目「科學方法」的延展部分。節目承接【初中科學科】節目「科學方法」中總結科學方法四步驟（觀察、假設、實驗、結論），闡釋實驗設計的旨要。