Edexcel IGCSE Maths 復(fù)習(xí)筆記 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...
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 復(fù)習(xí)筆記 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...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 5.1.1 Vectors - Basics What are vectors? A?vector?is a type of number that has both a size and a direction At GCSE we only deal with two-dimensional vectors, although i...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.18.1 Similarity - Areas & Volumes What are similar shapes? See Similarity – Lengths and know that: Equivalent?areas?are linked by an?area factor?(see below) Equiv...
Anaerobic Respiration Sometimes cells experience conditions with?little or no oxygen There are several consequences when there is not enough oxygen available for respiration: There is?no fin...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.17.1 Similarity - Lengths What are similar shapes? Two shapes are?mathematically similar?if one is an enlargement of the other Equivalent?angles?in the two shapes wil...
Aerobic Respiration: Oxidative Phosphorylation & ATP Synthesis Oxidative phosphorylation?is the last stage of aerobic respiration It takes place at the?inner mitochondrial membrane It re...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.15.1 3D Shapes - Surface Area What is surface area? A face is one of the flat or curved surfaces that make up a 3D shape The surface area of a 3D shape is the sum of ...
