AQA A Level Physics复习笔记2.1.2 Nucleon & Proton Number
AZX Notation A nuclide is a group of atoms containing the same number of protons and neutrons For example, 5 atoms of oxygen are all the same nuclide but are 5 separate atoms Atomic s...
英国某考试局承认在GCSE物理试卷中存在重大错误！
今年英国大考乌龙不少，开考不久后，英国某考试局承认在GCSE物理试卷中存在重大错误。 01.出题错误的题目，所有学生都可获得满分 在6月9日星期四举行的GCSE物理高级卷Paper 1中，包含了一个关于电路的问题，然而...
关于IB音乐课程的一系列问题！
了解IBDP课程的同学和家长应该知道IB在选课上有六个大方向，音乐就是包含在Group 6 — The Arts中的一个选项。在官方的选课规则里，Group 6是可以用Group 2, Group 3或Group 4来替换的，在学生不想学习艺术有关的...
GCSE和IGCSE各科目难易程度怎么样？
GCSE或者IGCSE科目众多，Edexcel GCSE提供52门考试，IGCSE有近43门考试；CAIE考试局的IGCSE有70余门考试。GCSE和IGCSE各科目难易程度怎么样？ 不论是英国本土还是国内的国际学校，一般会要求学生在GCSE/IGCSE阶段...
AQA A Level Physics复习笔记1.2.3 Determining Uncertainties from Graphs
Using Error Bars The uncertainty in a measurement can be shown on a graph as an error bar This bar is drawn above and below the point (or from side to side) and shows the uncertainty in that...
AQA A Level Physics复习笔记1.2.2 Calculating Uncertainties
Uncertainty There is always a degree of uncertainty when measurements are taken; the uncertainty can be thought of as the difference between the actual reading taken (caused by the equipment...
AQA A Level Physics复习笔记1.1.3 Estimating Physical Quantities
Orders of Magnitude A quantity is an “order of magnitude” larger than another quantity if it is about ten times larger Similarly, two orders of magnitude would be 100 times larger, or 102 &n...
AQA A Level Physics复习笔记1.1.2 Powers of Ten
Powers of Ten Physical quantities can span a huge range of values For example, the diameter of an atom is about 10–10 m (0.0000000001 m), whereas the width of a galaxy may be about 1021 m (1...
2023年AP宏观经济学考纲三大变化！
再过不久，我们将步入暑假时间，标志着属于2022的时间已经走过了一半。相信许多同学早已“未雨绸缪”，开始准备2023年的AP考试了。日前，CB也公布了2023年AP考试时间和科目安排。 除了明年的考试时间公布之外，CB还...
