Edexcel IGCSE Physics 復習筆記 2.4.1 Conductors & Insulators
Edexcel IGCSE Physics 復習筆記 2.4.1 Conductors & Insulators Conductors & Insulators Conductors A?conductor?is a material that allows?charge?(usually electrons) to flow through it ea...
Edexcel IGCSE Physics 復習筆記 2.3.5 AC & DC
Edexcel IGCSE Physics 復習筆記 2.3.5 AC & DC AC & DC Direct Current A direct current (d.c.) is defined as A current that is steady, constantly flowing in the same direction in...
IB DP Maths: AI SL復習筆記3.3.1 Pythagoras & Right-Angled Triganometry
Pythagoras What is the Pythagorean theorem? Pythagoras’ theorem is a formula that works for?right-angled triangles?only It states that for any right-angled triangle, the?square of the hypotenuse is...
U.S.News排名還有參考價值嗎？
7月8日，U.S. News正式宣布，把哥倫比亞大學從2022年最佳大學排名中踢了出去！哥大18屆的畢業生Ravi Campbell，在聽聞消息后，決定在紐約南區聯邦法院正式提交訴訟，起訴自己的母校。他表示，大部分學生選擇哥大...
IB DP Maths: AI SL復習筆記3.2.2 Volume & Surface Area
Volume of 3D Shapes What is volume? The volume of a 3D shape is a measure of how much 3D space it takes up A 3D shape is also called a?solid You need to be able to calculate the volume of a number ...
Edexcel IGCSE Physics 復習筆記 2.3.4 Electricity & Heat
Edexcel IGCSE Physics 復習筆記 2.3.4 Electricity & Heat Electricity & Heat When electricity passes through a component, such as a resistor, some of the electrical energy is turned in...
2022年含金量高的寫作比賽，助力美本申請！
在申請美國大學時，你會發現學校非常注重學生的全面發展，因受疫情影響，標化考試不斷被取消，甚至部分美國高校表示申請者無需提交SAT成績，因此除學術成績單硬性條件之外，軟實力的提升就顯得格外重要了！而寫作...
IB DP Maths: AI SL復習筆記3.2.1 3D Coordinate Geometry
3D Coordinate Geometry How does the 3D coordinate system work? In three-dimensional space we can label where any object is using the?x-y-z?coordinate system In the 3D cartesian system, the?x-?and?y...
IB DP Maths: AI SL復習筆記3.1.2 Arcs & Sectors
Length of an Arc What is an arc? An arc is a part of the?circumference?of a circle It is easiest to think of it as the crust of a single slice of pizza The length of an arc depends of the size of t...
