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AQA A Level Physics复习笔记4.7.3 Stress & Strain
Tensile Stress & Strain Opposite forces can deform an object If the forces stretch the object, then they are tensile forces Tensile forces lead to the two properties of materials known a...
Edexcel IGCSE Biology 复习笔记 2.10.5 Co-ordination Systems in Humans
Edexcel IGCSE Biology 复习笔记 2.10.5 Co-ordination Systems in Humans The Human Nervous System & Endocrine System There are two different control systems in humans that work together to ...
Edexcel IGCSE Biology 复习笔记 2.10.4 The Role of Auxin in Phototropism
Edexcel IGCSE Biology 复习笔记 2.10.4 The Role of Auxin in Phototropism The Role of Auxin in Phototropism Plants produce plant growth regulators (similar to hormones in animals) called auxin...
AQA A Level Physics复习笔记4.7.2 Hooke's Law
Hooke's Law When a force F is added to the bottom of a vertical metal wire of length L, the wire stretches A material obeys Hooke’s Law if: The extension of the material is directly proporti...
Edexcel IGCSE Biology 复习笔记 2.10.3 Response to Stimuli: Plants
Edexcel IGCSE Biology 复习笔记 2.10.3 Response to Stimuli: Plants Response to Stimuli: Plants Plants need to be able to grow in response to certain stimuli For example, plants need to be abl...
IB DP Maths: AA HL复习笔记1.2.1 Introduction to Logarithms
What are logarithms? A logarithm is the inverse of an exponent This is in the formula booklet Your GDC will be able to use this function to solve equations involving exponents Try to get used to ‘r...
Edexcel IGCSE Biology 复习笔记 2.10.2 Control of Homeostasis
Edexcel IGCSE Biology 复习笔记 2.10.2 Control of Homeostasis Co-ordinating a Response Homeostasis (maintaining controlled conditions within the body) is under involuntary (automatic) control...
2022年AP各学科5分率已发布，你的分数在全球考生中处于什么段位?
经历了20年和21年的在线机考，AP考试终于在今年恢复了正常。前日，2022年AP考试终于出分，同时CB也已经公布了所有AP科目的五分率。 最热门最常考的26门AP科目中，有20门的五分率呈增长趋势，占比高达77%！同学们...
