@ielts · 2026-09-25 07:50:04
Learn high-school science the way it is actually taught and written in English.
This focus re-explains the natural sciences — mathematics, physics, chemistry, biology and computer science — from the ground up, in clear academic English, with diagrams, worked examples and real notation. If you learned science in your own language and struggle to follow English textbooks, lectures or papers, this is your bridge: every concept you already know, explained in the English you need.
(More lessons added continuously.)
All content is original educational material written in English for learners of science and English alike.
@ielts
Natural Sciences in English · 03 Trigonometry: Sine, Cosine and Tangent — triangles, the unit circle, and waves Why this lesson? You know 三角函数 from Chinese class. This lesson gives you the English: how to say "sine of thirty degrees", how to name the sides of a triangle, and why sin, cos and tan app
Natural Sciences in English · 02 Coordinate Geometry: Lines and Circles — the English of the Cartesian plane Why this lesson? In Chinese you know this as 平面解析几何 — turning shapes into equations. This lesson teaches the same ideas in English: how to name the plane, how to read a line equation aloud, a
Natural Sciences in English · 01 Quadratic Equations and Parabolas — read the maths, speak the maths Why this lesson? You already know 一元二次方程 and 抛物线 in Chinese. This lesson gives you the exact English for the same ideas — the words, the notation, and how to read equations aloud. Every symbol you me
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