AQA A Level Biology復(fù)習(xí)筆記3.6.2 Transpiration
Transpiration Explained The movement of water through a plants xylem is largely due to the?evaporation of water vapour?from the?leaves?and the?cohesive?and?adhesive?properties exhibited by w...
AQA A Level Biology復(fù)習(xí)筆記3.5.10 Required Practical: Dissecting Mass Transport Systems
Required Practical: Dissections Dissections are a vital part of scientific research They allow for the internal structures of organs to be examined so that theories can be made about how the...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.11.4 Differentiation - Kinematics
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.11.4 Differentiation - Kinematics What is kinematics? Kinematics?is the analysis of the motion of a?particle?linking the three vector quantities?displacement,?velocit...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.11.3 Differentiation - Problem Solving
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.11.3 Differentiation - Problem Solving What problems could involve differentiation? Differentiation?allows analysis of how one quantity?changes?as another does The?gr...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.11.2 Differentiation - Turning Points
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.11.2 Differentiation - Turning Points Remind me of the rule for differentiating powers If?y = kxn?then?dy/dx = knxn-1 What is a turning point? Th...
AQA A Level Biology復(fù)習(xí)筆記3.5.9 Correlations & Causal Relationships - The Heart
Correlations & Causal Relationships - The Heart Correlation?is an association or relationship between variables Causation?occurs when one variable has an influence or is influenced by, a...
AQA A Level Biology復(fù)習(xí)筆記3.5.8 Interpreting Data on the Cardiovascular System
Interpreting Data Relating to the Cardiovascular System A cardiac cycle is the sequence of events that make up a single heartbeat It includes periods of heart muscle contraction and relaxati...
AQA A Level Biology復(fù)習(xí)筆記3.5.7 Capillaries & Tissue Fluid
Capillaries & Tissue Fluid Capillaries are another type of blood vessel present in the circulatory system They have thin walls which are “l(fā)eaky”, allowing substances to leave the blood t...
AQA A Level Biology復(fù)習(xí)筆記3.5.6 Blood Vessels
Arteries, Arterioles & Veins The body contains several different types of blood vessel: Arteries: transport blood away from the heart (usually at high pressure) Veins: transport blood to...
