AQA A Level Physics复习笔记2.1.3 Strong Nuclear Force
Strong Nuclear Force In the nucleus, there are electrostatic forces between the protons due to their electric charge and gravitational forces due to their mass Comparatively, gravity is a ve...
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...
