Trigonometry - Definitions What is trigonometry? Trigonometry looks at the relationship between side lengths and angles of triangles It comes from the Greek words trigonon meaning ‘triangle’ and me...
Modelling with Sequences & Series What do I need to know about modelling with sequences and series? Many real-life situations can be modelled using sequences and series If a quantity is changin...
Recurrence Relations What do I need to know about recurrence relations? A?recurrence relation?describes each term in a sequence as a function of the previous term – ie?un+1?= f(un) Along with the f...
Sigma Notation What is sigma notation? The symbol Σ is the capital Greek letter sigma – that's why it's called 'sigma notation'! 'Σ' stands for 'sum' – the expression to the right of the Σ tells yo...
Language of Sequences & Series What is a sequence? A?sequence?is an?ordered?set of numbers with a rule for finding all the numbers in the sequence The numbers in a sequence are called?terms The...
轉(zhuǎn)眼間八月份了，今年的暑假已經(jīng)過了大半，再有三周多時間，新學(xué)期就要來臨。受疫情影響，上半學(xué)期的學(xué)習(xí)，中小學(xué)校基本都是網(wǎng)課，上海多所學(xué)校發(fā)布開學(xué)通知時間，需要注意哪些事項(xiàng)？一起來看看吧！ 8月18日起，...
Earth's Surface–Atmosphere System It is useful to consider Earth’s energy balance in terms of how much incoming energy from the Sun is used and how much is returned to space If incoming and outgoin...
Greenhouse Gases When radiation from the Sun hits the Earth, it is radiated back from the Earth's surface as long-wave radiation A greenhouse gas is a gas that absorbs this re-radiated radiation, t...
The Solar Constant Since life on Earth is entirely dependant on the Sun’s energy, it is useful to quantify how much of its energy reaches the top of the atmosphere This is known as the solar consta...
Black-Body Radiation Black body radiation is the name given to the?thermal radiation?emitted by all bodies (objects) All objects, no matter what temperature, emit black body radiation in the form o...
每年中考出分后的時間，很多家長都在想，孩子選校還有沒有更好的選擇？當(dāng)然有！想要轉(zhuǎn)軌國際教育的家庭，現(xiàn)在報名國際高中秋招入學(xué)考試還來得及！上海這些國際化學(xué)校秋招放出少量補(bǔ)錄名額！感興趣的家長們抓緊時...
Conduction, Convection & Thermal Radiation Thermal energy transfers from hotter areas to cooler areas by the processes of: Conduction Convection Radiation Objects will?always?lose heat until th...
