IB DP Maths: AI SL复习笔记3.4.1 Voronoi Diagrams
Drawing Voronoi Diagrams What are Voronoi Diagrams? A Voronoi diagram shows the region containing the set of all points which are closer to one given site than to any other site on the diagram A si...
Edexcel IGCSE Physics 复习笔记 2.4.4 Uses & Dangers of Static Electricity
Edexcel IGCSE Physics 复习笔记 2.4.4 Uses & Dangers of Static Electricity Uses of Static Electricity Electrostatic charges are used in everyday situations such as photocopiers and inkjet...
IB DP Maths: AI SL复习笔记3.3.3 Applications of Trigonometry & Pythagoras
Bearings What are bearings? Bearings are a way of describing and using directions as angles They are specifically defined for use in navigation because they give a precise location and/or direction...
美国大学最新招生政策汇总！附23Fall美本申请截止日期
2022年已经过半 距离9月全面申请只剩2个月 2023申请季的同学们 准备好成为今年的“offer收割机”了吗？ 众所周知，每年申请季都有一大批大学调整招生政策。而其中每一个细节的变化，都需要我们及时做出调整申请策略...
IB DP Maths: AI SL复习笔记3.3.2 Non Right-Angled Trigonometry
Sine Rule What is the sine rule? The sine rule allows us to find missing side lengths or angles in non-right-angled triangles It states that for any triangle with angles A, B and C Where a is the s...
Edexcel IGCSE Physics 复习笔记 2.4.2 Core Practical: Investigating Charging by Friction
Edexcel IGCSE Physics 复习笔记 2.4.2 Core Practical: Investigating Charging by Friction Core Practical 3: Investigating Charging by Friction Aim of the Experiment The aim of this experiment ...
Edexcel IGCSE Physics 复习笔记 2.4.1 Conductors & Insulators
Edexcel IGCSE Physics 复习笔记 2.4.1 Conductors & Insulators Conductors & Insulators Conductors A conductor is a material that allows charge (usually electrons) to flow through it ea...
Edexcel IGCSE Physics 复习笔记 2.3.5 AC & DC
Edexcel IGCSE Physics 复习笔记 2.3.5 AC & DC AC & DC Direct Current A direct current (d.c.) is defined as A current that is steady, constantly flowing in the same direction in...
IB DP Maths: AI SL复习笔记3.3.1 Pythagoras & Right-Angled Triganometry
Pythagoras What is the Pythagorean theorem? Pythagoras’ theorem is a formula that works for right-angled triangles only It states that for any right-angled triangle, the square of the hypotenuse is...
U.S.News排名还有参考价值吗？
7月8日，U.S. News正式宣布，把哥伦比亚大学从2022年最佳大学排名中踢了出去！哥大18届的毕业生Ravi Campbell，在听闻消息后，决定在纽约南区联邦法院正式提交诉讼，起诉自己的母校。他表示，大部分学生选择哥大...
IB DP Maths: AI SL复习笔记3.2.2 Volume & Surface Area
Volume of 3D Shapes What is volume? The volume of a 3D shape is a measure of how much 3D space it takes up A 3D shape is also called a solid You need to be able to calculate the volume of a number ...
Edexcel IGCSE Physics 复习笔记 2.3.4 Electricity & Heat
Edexcel IGCSE Physics 复习笔记 2.3.4 Electricity & Heat Electricity & Heat When electricity passes through a component, such as a resistor, some of the electrical energy is turned in...
