IB DP Maths: AA HL復習筆記1.10.2 Algebraic Solutions
How can I write a system of linear equations? To save space we can just write the?coefficients?without the variables What?is a row reduced system of linear equations? A system of linear equations i...
Edexcel IGCSE Biology 復習筆記 2.10.13 The Role of Hormones: Advanced
Edexcel IGCSE Biology 復習筆記 2.10.13 The Role of Hormones: Advanced The Role of Hormones: Advanced As well as adrenaline, insulin, testosterone, progesterone and oestrogen, the following h...
Edexcel IGCSE Biology 復習筆記 2.10.12 The Role of Hormones
Edexcel IGCSE Biology 復習筆記 2.10.12 The Role of Hormones The Role of Hormones: Basic A?hormone?is a chemical substance produced by a?gland?and?carried by the blood, which alters the activ...
IB DP Maths: AA HL復習筆記1.10.1 Systems of Linear Equations
What are systems of linear equations? A linear equation is an equation of the first order (degree 1) This means that the?maximum degree?of each term is 1 These are examples of linear equations: 2x?...
Edexcel IGCSE Biology 復習筆記 2.10.11 The Endocrine System
Edexcel IGCSE Biology 復習筆記 2.10.11 The Endocrine System The Endocrine System Information is sent through the endocrine (hormonal) system as?chemical substances?known as?hormones Hormones...
AQA A Level Physics復習筆記6.5.1 The Kelvin Scale & Absolute Zero
The Kelvin Scale & Absolute Zero On the thermodynamic (Kelvin) temperature scale, absolute zero is defined as: The lowest temperature possible. Equal to 0 K or -273.15 °C It is not possi...
IB DP Maths: AA HL復習筆記1.9.5 Roots of Complex Numbers
How do I find the square root of a complex number? The square roots of a complex number will themselves be complex: How do I use de Moivre’s Theorem to find roots of a complex number? De Moivre’s T...
AQA A Level Physics復習筆記6.4.4 Latent Heat Capacity
Latent Heat Capacity Energy is required to change the?state?of a substance Examples of changes of state are: Melting?= solid to liquid Evaporation?/?vaporisation?/?boiling?= liquid to gas Su...
Edexcel IGCSE Biology 復習筆記 2.10.10 Temperature Regulation
Edexcel IGCSE Biology 復習筆記 2.10.10 Temperature Regulation The Role of Skin in Temperature Regulation The skin is our largest sense organ It contains many different receptors that enable us to d...
AQA A Level Physics復習筆記6.4.3 Specific Heat Capacity
Specific Heat Capacity When a substance is heated, its temperature rises causing the particles within it to gain kinetic energy The amount of energy required to raise the temperature of a su...
Edexcel IGCSE Biology 復習筆記 2.10.9 The Human Eye
Edexcel IGCSE Biology 復習筆記 2.10.9 The Human Eye The Human Eye: Structure The eye is a highly specialised?sense organ?containing receptor cells that allow us to detect the stimulus of lig...
IB DP Maths: AA HL復習筆記1.9.4 De Moivre's Theorem
What is De Moivre’s Theorem? De Moivre’s theorem can be used to find powers of complex numbers How do I use de Moivre’s Theorem to raise a complex number to a power? If a complex number is in Carte...
