Edexcel IGCSE Maths 复习笔记 6.1.1 Mean, Median & Mode
Edexcel IGCSE Maths 复习笔记 6.1.1 Mean, Median & Mode Why do we have different types of average? You’ll hear the phrase “on average” used a lot, from politicians talking about the economy to s...
Edexcel IGCSE Maths 复习笔记 5.5.1 Combined Transformations
Edexcel IGCSE Maths 复习笔记 5.5.1 Combined Transformations Combined Transformations – what do I need to know? Combined transformations are more than one transformation, one performed after the aft...
Edexcel IGCSE Maths 复习笔记 5.4.1 Transformations - Enlargement
Edexcel IGCSE Maths 复习笔记 5.4.1 Transformations - Enlargement Enlargement – what do I need to know? You need to be able to perform an enlargement (on a coordinate grid) as well as spotting and d...
Edexcel IGCSE Maths 复习笔记 5.3.1 Transformations - Translation
Edexcel IGCSE Maths 复习笔记 5.3.1 Transformations - Translation Translation – what do I need to know? You need to be able to perform a translation (on a coordinate grid) as well as spotting and de...
Edexcel IGCSE Maths 复习笔记 5.2.2 Transformations - Reflection
Edexcel IGCSE Maths 复习笔记 5.2.2 Transformations - Reflection Reflection – what do I need to know? You need to be able to perform a reflection (on a coordinate grid) as well as spotting and descr...
Edexcel IGCSE Maths 复习笔记 5.2.1 Transformations - Rotation
Edexcel IGCSE Maths 复习笔记 5.2.1 Transformations - Rotation What are transformations in maths? There are 4 transformations in GCSE Maths – rotation, reflection, translation and enlargement All 4 ...
Edexcel IGCSE Maths 复习笔记 5.1.4 Vectors - Modulus
Edexcel IGCSE Maths 复习笔记 5.1.4 Vectors - Modulus What is a vector? Vectors have various uses in mathematics In mechanics vectors represent velocity, acceleration and forces At IGCSE vect...
AQA A Level Biology复习笔记5.3.3 Biomass
Biomass The biomass of an organism (or of a sample of tissue from an organism) is: The mass of living material of the organism or tissue The chemical energy that is stored within the organis...
AQA A Level Biology复习笔记5.3.2 Photosynthetic Products
Photosynthetic Products The process of photosynthesis transfers light energy to chemical energy in biological molecules In ecosystems where sunlight and water is available, the process of ph...
Edexcel IGCSE Maths 复习笔记 5.1.3 Vectors - Proving Things
Edexcel IGCSE Maths 复习笔记 5.1.3 Vectors - Proving Things What are vector proofs? In vector proofs we use vectors, along with a few key ideas, to prove that things are true in geometrical diagram...
AQA A Level Biology复习笔记5.2.9 Investigating the Rate of Respiration
Required Practical: Investigating the Effect on the Rate of Respiration A redox indicator is a substance that changes colour when it is reduced or oxidised DCPIP and methylene blue are redox...
Edexcel IGCSE Maths 复习笔记 5.1.2 Vectors - Finding Paths
Edexcel IGCSE Maths 复习笔记 5.1.2 Vectors - Finding Paths Finding paths in vector diagrams It is important to be able to describe vectors by following paths through a geometric diagram The followi...
