女生專屬STEM賽事!新賽季Technovation Girls火熱組隊報名中
科技正在改變世界 有這樣一群女孩 她們在科創賽場上 為世界貢獻著自己的力量 由全球科技教育非營利組織主辦 專為全球8-18歲女生開設的科創賽 Technovation Girls? 全球女性科技創新挑戰賽? 新賽季開始組隊啦! 在...
科技正在改變世界 有這樣一群女孩 她們在科創賽場上 為世界貢獻著自己的力量 由全球科技教育非營利組織主辦 專為全球8-18歲女生開設的科創賽 Technovation Girls? 全球女性科技創新挑戰賽? 新賽季開始組隊啦! 在...
Edexcel IGCSE Chemistry 復習筆記 3.1.5 Bond Energy Bond Energy Energy is needed to?break bonds?which is absorbed from the reaction surroundings, so bond breaking is an?endothermic?process Th...
Edexcel IGCSE Chemistry 復習筆記 3.1.4 Energy Level Diagrams Energy Level Diagrams Energy Level Diagrams Energy level diagrams (sometimes called reaction profiles) are graphical representati...
Modelling with Differential Equations Why are differential equations used to model real-world situations? A?differential equation?is an equation that contains one or more derivatives Derivatives de...
Edexcel IGCSE Chemistry 復習筆記 3.1.3 Energetics Calculations Calculate Heat Energy Change In order the calculate heat energy changes you need to know the mass of the substance being heated...
Separation of Variables What is separation of variables? Separation of variables?can be used to solve certain types of first order differential equations If the equation is in that form you can use...
Edexcel IGCSE Chemistry 復習筆記 3.1.2 Calorimetry Calorimetry Calorimetry?is a technique used to measure changes in enthalpy of chemical reactions There are two types of calorimetry experim...
Edexcel IGCSE Chemistry 復習筆記 3.1.1 Exothermic & Endothermic Exothermic & Endothermic The changes in heat content can be determined and?measured?with a thermometer Note that the o...
Edexcel IGCSE Chemistry 復習筆記 2.8.5 Tests for Water Tests for Water Water can be identified using a chemical test and/or a physical test Chemical test for water Anhydrous?copper(II...
全美歷史最悠久、最負盛名、有中學生“小諾獎”的科研賽事再生元科學天才獎Regeneron STS ,相信不少美高學生對它并不陌生。 STS為未來STEM領域的領航者提供了一個國際的舞臺,這里匯聚了全美最優秀、最聰明的年輕...
First Order Differential Equations What is a differential equation? What is a first order differential equation? A?first order differential equation?is a differential equation that contains first d...
Edexcel IGCSE Chemistry 復習筆記 2.8.4 Tests for Anions Tests for Anions Testing for Anions Table Exam Tip When it comes to qualitative inorganic an...
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