Edexcel IGCSE Physics: Double Science 复习笔记： 1.1.5 Velocity-Time Graphs Velocity-Time Graphs A velocity-time graph shows how the velocity of a moving object varies with time The red line...
Edexcel IGCSE Physics: Double Science 复习笔记： 1.1.4 Acceleration Acceleration Acceleration is defined as the rate of change of velocity In other words, it describes how much an object's v...
Edexcel IGCSE Physics: Double Science 复习笔记： 1.1.3 Core Practical: Investigating Motion Core Practical 1: Investigating Motion Aim of the Experiment The aim of this experiment is to inve...
Edexcel IGCSE Physics: Double Science 复习笔记：1.1.2 Speed Calculating Average Speed The speed of an object is the distance it travels every second Speed is a scalar quantity This is becaus...
Edexcel IGCSE Physics: Double Science 复习笔记：1.1.1 Distance-Time Graphs Distance-Time Graphs A distance-time graph shows how the distance of an object moving in a straight line (from a st...
Edexcel IGCSE Biology: Double Science 复习笔记 5.3.2 Genetic Engineering: Insulin Manufacturing Insulin The gene for human insulin can be inserted into bacteria which then produce human insu...
Edexcel IGCSE Biology: Double Science 复习笔记 5.3.1 The Process of Genetic Engineering The Process of Genetic Engineering The gene that is to be inserted is located in the original organism...
Edexcel IGCSE Biology: Double Science 复习笔记 5.2.1 Selective Breeding Selective Breeding in Animals Selective breeding or artificial selection means to select individuals with desirable ch...
Edexcel IGCSE Biology: Double Science 复习笔记 5.1.5 Bacteria in Food Production Bacteria in Food Production Microorganisms can be used by humans to produce foods and other useful substances...
