All science subjects from Grade 5 to IGCSE & O Level, plus A Level, AP and IB Chemistry — taught live by Tsinghua PhD chemists and supported by our complete course software. 从小学五年级到 IGCSE、O Level 的全部理科（化学、生物、物理），以及 A Level、AP、IB 化学。清华化学博士团队亲自直播授课，配套完整的课程学习系统。
All science subjects from Grade 5 to IGCSE and O Level, then specialist Chemistry for A Level, AP and IB — each matched to the official syllabus and past papers.小学五年级至 IGCSE、O Level 全科理科；高年级专攻 A Level、AP、IB 化学。严格对照官方考纲与历年真题。
Curiosity-led lessons that build a love of science and a rock-solid base for IGCSE.激发科学兴趣，为 IGCSE 打下扎实基础。
Topic-by-topic teaching with exam-style questions to reach Grade 9.逐章精讲，配合真题训练，冲刺 9 分。
Concept-first lessons with heavy past-paper practice for top grades.先讲透概念，再大量真题训练，稳拿高分。
University-level depth for students aiming at top UK and global universities.大学水准的深度讲解，助力冲刺 G5 及世界名校。
Complete AP course with focus on free-response questions and lab-based reasoning.完整 AP 课程，重点突破简答题（FRQ）与实验推理。
Concept-based teaching for Standard and Higher Level, including full IA support.概念式教学，覆盖 SL 与 HL，并全程指导 IA 内部评估。
We teach with vivid visuals and models, so students see how science works — from DNA and cells to molecules and light.用生动的图像与模型教学，让学生"看见"科学：从 DNA、细胞到分子与光。
Every course we teach is fully organised in our learning software, from Grade 5 Science to A Level, AP and IB Chemistry. Students always know what to study next, and parents can see the progress.从五年级科学到 A Level、AP、IB 化学，每门课程都在我们的学习软件中系统整理。学生清楚下一步学什么，家长随时了解学习进度。
Research-level experts who are also highly experienced school teachers, and who use the latest AI tools to make every lesson clearer and more personal.既是科研型专家，又是经验丰富的一线教师，并善用最新 AI 工具，让每节课更清晰、更个性化。
PhDTsinghua清华
PhDTsinghua清华Our teaching standard: only teachers holding a PhD from a top university in their major teach at our school. Original certificates are shown in your demo class.我们的师资标准：只聘用顶尖大学相关专业博士任教，绝不使用本科生或兼职助教代课。试听课中可查看学历证书原件。
Research-level understanding, delivered in a way every student can master — then turned into marks on exam day.科研级的深度，用学生听得懂的方式讲透——最终转化为考场上的分数。
A first assessment maps exactly which topics are strong and which are losing marks.首课测评，精准定位强项与失分点。
Concepts rebuilt from first principles, with visual models and an English–Chinese keyword glossary.从第一性原理讲起，配合可视化模型与中英对照术语表。
Topic-by-topic questions in our course software, marked against official mark schemes.在课程系统中按章节练习，严格按官方评分标准批改。
Timed mocks, command-word technique and examiner-style feedback for top grades.限时模考、指令词答题技巧与考官式点评，冲刺最高分。
Tap any element to see its name in English and Chinese, relative atomic mass and electron configuration — exactly what IGCSE, A Level, AP and IB ask for.点击任意元素，查看中英文名称、相对原子质量和电子排布——正是 IGCSE、A Level、AP 与 IB 的必考内容。
Add us on WeChat or send us an email — tell us the student's grade and subject, and we'll arrange a demo class.添加微信或发送邮件，告诉我们学生的年级与科目，我们为您安排试听课。
Add us on WeChat or send an email to book a demo class.添加微信或发送邮件，预约试听课。
Our WeChat ID (same as our phone number):我们的微信号（与手机号相同）：