Edexcel IGCSE Physics 復習筆記 5.2.1 Solids, Liquids & Gases
Edexcel IGCSE Physics 復習筆記 5.2.1 Solids, Liquids & Gases Solids, Liquids & Gases Matter can exist in one of three different states:?solid,?liquid, or?gas Solids In a solid...
IB DP Maths: AI HL復習筆記1.1.3 GDC: Solving Equations
Systems of Linear Equations What are systems of linear equations? A linear equation is an equation of the first order (degree 1) It is usually written in the form?ax + by + c = 0?where?a, b,?and?c?...
BMO英國數學奧賽對中國學生開放，可直接報名！
重大好消息！ 中國學生可以直接參加BMO了！ 在此之前，BMO是讓我們“望眼欲穿”的賽事。想要參加BMO，必須先參加SMC（Senior Maths Challenge）并取得優異成績，而SMC不接受個人報名，必須由英國教育體制的學校統一...
Edexcel IGCSE Physics 復習筆記 5.1.4 Pressure in Liquids
Edexcel IGCSE Physics 復習筆記 5.1.4 Pressure in Liquids Pressure in Liquids A fluid is either a?liquid?or a?gas When an object is immersed in a fluid, the fluid will exert pressure, squeezi...
IB DP Maths: AI HL復習筆記1.1.2 Approximation & Estimation
Approximating Values How do I know what to round my answer to? Unless otherwise told, always round your answers to?3 significant figures?(3 s.f.) The first non-zero digit is the first?significant?d...
Edexcel IGCSE Physics 復習筆記 5.1.3 Pressure
Edexcel IGCSE Physics 復習筆記 5.1.3 Pressure Pressure Pressure?is defined as The concentration?of a force or the force per unit area For example, when a drawing pin is pushed ...
Edexcel IGCSE Physics 復習筆記 5.1.2 Core Practical: Determining Density
Edexcel IGCSE Physics 復習筆記 5.1.2 Core Practical: Determining Density Core Practical 9: Determining Density Equipment List Resolution?of measuring equipment: 30 cm ruler = 1 mm Vernier ca...
IB DP Maths: AI HL復習筆記1.1.1 Standard Form
Standard Form Standard form?(sometimes called?scientific notation?or?standard index form) gives us a way of writing very big and very small numbers using powers of 10. Why use standard form? Some n...
Edexcel IGCSE Physics 復習筆記 5.1.1 Density
Edexcel IGCSE Physics 復習筆記 5.1.1 Density Density Density is defined as: The mass per unit volume of a material Objects made from?low density?materials typically have a?low ...
美國留學一年費用需要多少？斯坦福、萊斯、NYU學生曬出留學賬單！
美國留學一年一百萬正常嗎？ 知乎上這個瀏覽量近40萬的熱門提問 引起了美本留學黨的激烈討論： “表姐在美國加州大學戴維斯分校讀書，每年花銷100w左右，有時甚至達到120w。” “我問了身邊去美國留學的朋友，表示一...
Edexcel IGCSE Physics 復習筆記 4.2.7 Comparing Energy Resources
Edexcel IGCSE Physics 復習筆記 4.2.7 Comparing Energy Resources Comparing Energy Resources Each energy resource has various advantages and disadvantages associated with it A?renewable?energy...
Edexcel IGCSE Physics 復習筆記 4.2.6 Energy Resources
Edexcel IGCSE Physics 復習筆記 4.2.6 Energy Resources Energy Resources Energy resources are large stores of energy that can be transferred from one form into?electrical energy?that can be us...
