Why Choose Classbuk for Online Science Classes
Looking for the right online science classes for your child? From Combined Science to dedicated Physics, Chemistry, and Biology across IB, IGCSE, ICSE, CBSE, and all international boards, Classbuk's science classes are led by expert tutors who build real conceptual clarity.
The Same Science Tutor, Every Class
The tutor who takes your child's demo session is the same tutor who teaches every class after except where a change is needed outside our control — building real familiarity with how your child learns best.
Physics, Chemistry, Biology & Combined Science
Whether your child needs Combined Science at an early level or focused Physics, Chemistry, or Biology as they advance, our tutors align closely with your school's exact syllabus.
1:1 or Small Group Classes
Choose personalized 1:1 science tutoring for focused support, or form a small group for a more collaborative learning environment. Flexible plans start from as few as 8 sessions.
All International & Indian Boards Covered
Our tutors teach to IB, IGCSE, ICSE, CBSE, and all international boards, aligning sessions closely with your child's school syllabus, homework, and upcoming assessments.
Flexible & Affordable, Globally
Classes scheduled around your timezone, led by experienced science tutors, and priced for families in India and internationally.
Quality-Monitored, Every Step
Classbuk provides regular progress updates through its teachers and regular Parent Teacher Meetings (PTMs) — so you always know exactly how your child is doing.
Frequently Asked Questions
Our Subjects
🔬 Combined Science
Covers key concepts from Physics, Chemistry, and Biology in an integrated, easy-to-understand format perfect for foundational learning and exam prep.
⚙️ Physics
Builds conceptual clarity in motion, energy, force, electricity, and more making real-world science logical and engaging.
⚗️ Chemistry
From atoms to acids, we simplify reactions, equations, and everyday chemistry to boost curiosity and understanding.
🧬 Biology
Explore the living world—from cells and the human body to ecosystems—with diagrams, storytelling, and hands-on visuals.
🌍 IB/IGCSE Boards
Customized support aligned with international boards—focusing on inquiry-based learning, concepts, and assessments.
Why learn with Classbuk?

Live 1:1 & Small Group Classes
We offer both 1:1 as well as small group live online classes which allows the highest level of personalization and customization with a human touch, something which no AI can achieve.

Learn at your own pace with Experienced Tutors
Our tutors customize their teaching methods to fit your individual learning style and pace.

Flexible timings and frequency
Take classes as per your convenient schedule and frequency.

Attractive prices . Short duration options
Classes at attractive prices at short-duration options as less as 8 sessions also.

Strict privacy rules
We take learner and teacher privacy very seriously.

Flexible Payment Options
Multiple payment options for payment globally in over 100 currencies

Teacher who takes the demo takes the actual classes
Unlike many other platforms, the teacher taking the demo session takes the actual classes with Classbuk.

International audience
Let your kids be part of our international community of learners. Learn from teachers with international teaching experience

Wide variety of Classes
40+ academic and non academic subjects to choose from. If you don’t find a class or timings do not suit you, please Ask Us.

Parent Friendly Refund Policy
No questions asked Refund Policy
Why Learn Science?
Curiosity & Thinking Skills
Science helps children ask the right questions, investigate, and reason out answers.
Academic Support
Science strengthens reading comprehension, mathematical reasoning, and analytical skills.
Hands-On Learning
Hands-on learning deepens understanding and makes complex concepts memorable.
Problem Solving
Teaches how to think critically, connect cause and effect, and apply logic to real-life challenges.
Real-World Connection
From gravity to pollution, science explains the world around us and fosters awareness.
STEM Readiness
Early exposure inspires interest in technology, medicine, engineering, and research.
Happy Parents Feedback
My 14 years daughter is taking coding classes from Classbuk. We are extremely happy with how the teacher interacts with students. They are pretty flexible with timings, as we live in Australia. Will highly recommend Classbuk: Live online interactive classes for learners 3-18 years.
From classical Indian dancing, piano, to art and yoga, they pick the finest teachers who form an immediate connection with the child. Utmost care is taken at each session to ensure it meets customer satisfaction.
A Global Learning Platform for Modern Families!
It has been invaluable for my kids’ progress in Math and Vocal Music. The teachers are supportive, engaging, and dedicated, with excellent communication and regular progress updates. I highly recommend Classbuk to families seeking a reliable global learning partner!
Saanvi is eager and is looking forward to her coding class every week with Ms. Seema. Her favorite part of the class is when she can play the simple fun games she has created. It’s a great opportunity to have this available at Classbuk as a skill-building topic, with a small group and personalized experience.
Reference Teacher Profiles
11 yrs of experience | Science
I am an engineering graduate and have completed Bachelor in Education. I have 7 years* of experience in teaching offline and 3.5 years* of experience in teaching online. I have taught Math and Science to students across boards and countries such as CBSE, ICSE, IB, and GCSE.
8 yrs of experience | Reasoning | Science | English
An engineer with a passion for teaching, I bring experience from both fields. As a UPSC aspirant now guiding students, I believe teaching is a responsibility to impart both values and academic knowledge. My journey began during graduation, and now I also mentor and offer career counseling.
7 yrs of Experience | Chemistry
Ph.D. in Chemistry with 7+ years of experience teaching at IIT Bombay, Amity University, and University of Calcutta. Held roles like Lecturer and Teaching Assistant, with both offline and online teaching exposure. Also experienced in IPR courses and qualified in CSIR-NET and GATE.
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