2022深圳IB国际学校表现如何？
国际文凭大学预科课程（IBDP）放榜啦！ 据官网显示，全球共有173878名学生在2022年5月的考试中获得文凭课程（DP）和职业课程（CP）的成绩。全球共有640位考生获得满分45分，跟去年相比少了一半左右。 深圳部分热...
IB DP Maths: AA HL复习笔记1.3.1 Language of Sequences & Series
What is a sequence? A sequence is an ordered set of numbers with a rule for finding all of the numbers in the sequence For example 1, 3, 5, 7, 9, … is a sequence with the rule ‘start at one and add...
AQA A Level Physics复习笔记5.2.2 Resistance in a Thermistor
Temperature & Resistance All solids are made up of vibrating atoms The higher the temperature, the faster these atoms vibrate Electric current is the flow of free electrons in a m...
AQA A Level Physics复习笔记5.2.1 Resistivity
Resistivity 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 their way As a result, they transfer som...
IB DP Maths: AA HL复习笔记1.2.3 Solving Exponential Equations
What are exponential equations? An exponential equation is an equation where the unknown is a power In simple cases the solution can be spotted without the use of a calculator For example, In more ...
AQA A Level Physics复习笔记5.1.2 Current–Voltage Characteristics
Ohm's Law Ohm’s law states: For a conductor at a constant temperature, the current through it is proportional to the potential difference across it Constant temperature implies constant resi...
AQA A Level Physics复习笔记5.1.1 Basics of Electricity
Electric Current & Potential Difference Electric Current Electric current is defined as the rate of flow of positive charge carriers It is measured in units of amperes (A) or amps ...
IB DP Maths: AA HL复习笔记1.2.2 Laws of Logarithms
What are the laws of logarithms? Laws of logarithms allow you to simplify and manipulate expressions involving logarithms The laws of logarithms are equivalent to the laws of indices These laws are...
AQA A Level Physics复习笔记4.8.2 Required Practical: The Young Modulus
Required Practical: The Young Modulus Aims of the Experiment The aim of the experiment is to measure the Young Modulus of a metal in the form of a wire This requires a clamped horizontal wir...
