2023年AP化學考試改革，AP考試如何報名？
在許多AP科目中，化學的五分率一直不高，AP化學5分容錯率為25%左右，作為大部分理、工科學生必修的一門課程，是很多同學報考的科目。AP化學考試內容有哪些？2023年AP課程考試報名開啟！尤其是社會考生！ AP化學課...
Edexcel A Level Physics:復習筆記4.4 Core Practical 4: Investigating Viscosity
Core Practical 4: Investigating Viscosity of a Liquid Aim of the Experiment By allowing small spherical objects of known weight to fall through a fluid until they reach terminal velocity, the?visco...
Edexcel A Level Physics:復習筆記4.3 Viscous Drag
Stoke's Law Viscous Drag Viscous drag is defined as the frictional force between an object and a?fluid?which opposes the the motion between the object and the fluid Viscous drag is calculated using...
Edexcel A Level Physics:復習筆記4.2 Upthrust
Upthrust Archimedes' Principle Archimedes’ principle states: An object submerged in a fluid at rest has an upward buoyancy force (upthrust) equal to the weight of the fluid displaced by the object ...
Edexcel A Level Physics:復習筆記4.1 Density
Density Density is the?mass per unit volume?of an object Objects made from low-density materials typically have a lower mass For example, a balloon is less dense than a small bar of lead des...
Edexcel A Level Physics:復習筆記3.20 Resistance & Illumination
Modelling the Variation of Resistance with Illumination Light can cause a change in conductivity of some semi-conductors When light is absorbed by the material it causes more electrons to be availa...
Edexcel A Level Physics:復習筆記3.19 Resistance & Temperature
Modelling the Variation of Resistance with Temperature All materials have some?resistance?to the flow of charge As?free?electrons?move?through a metal wire, they collide with ions which get in thei...
Edexcel A Level Physics:復習筆記3.18 Core Practical 3: Investigating E.M.F. & Internal Resistance
Core Practical 3: Investigating E.M.F. & Internal Resistance Aims of the Experiment The overall aim of the experiment is to investigate the relationship between e.m.f. and internal resistance b...
Edexcel A Level Physics:復習筆記3.17 E.M.F. vs. Terminal Potential Difference
E.M.F. vs. Terminal Potential Difference Terminal Potential Difference The?terminal potential difference (p.d.)?is the potential difference across the terminals of a cell If there was no internal r...
