作为“英国中考”的GCSE考试,真的有这么重要?
今年夏天,英国的学生参加了自疫情以来的第一场线下GCSE 和 A-Level 考试。GCSE和A-Level考试是英国学子必经的“大考”,虽说这次是疫情后的首次线下考试,但是在考试难度、考试水平上考试局还是保持着一贯的水准。...
今年夏天,英国的学生参加了自疫情以来的第一场线下GCSE 和 A-Level 考试。GCSE和A-Level考试是英国学子必经的“大考”,虽说这次是疫情后的首次线下考试,但是在考试难度、考试水平上考试局还是保持着一贯的水准。...
Edexcel IGCSE Chemistry 复习笔记 1.2 3 Separation Techniques Simple Distillation This is used to separate a liquid and soluble solid from a solution (e.g., water from a solution of salt wate...
Escape Velocity To escape a gravitational field, a mass must travel at the escape velocity This is dependent on the mass and radius of the object creating the gravitational field, such as a ...
Edexcel IGCSE Chemistry 复习笔记 1.2 2 Pure Substance vs Mixture Pure Substance vs Mixture In everyday language we use the word pure to describe when something is natural or clean and to whi...
Edexcel IGCSE Chemistry 复习笔记 1.2.1 Element, Compound or Mixture Classify an Element, Compound or Mixture You need to know the following definitions Classify an Element, Compound o...
Compound Angle Formulae What are the compound angle formulae? There are six compound angle formulae (also known as addition formulae), two each for sin, cos and tan: For sin the +/- sign on the lef...
Edexcel IGCSE Chemistry 复习笔记 1.1.5 Practical: Investigate the Solubility of a Solid in Water at a Specific Temperature Practical: Investigate the Solubility of a Solid in Water at a Specific Te...
Edexcel IGCSE Chemistry 复习笔记 1.1.4 Solubility Solubility Solubility is a measurement of how much of a substance will dissolve in a given volume of a liquid The liquid is called the solve...
Edexcel IGCSE Chemistry 复习笔记 1.1.3 Solutions Solutions Terminology You need to know all the following terms used when describing solutions: Terminology About Solutions Table 转载...
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