Science · Class 8
Manthika Science · Class 8 · CBSE
Not on the site yetThe promise
A child in Class 6, 7 or 8 can read this book alone, understand every topic in the year's syllabus, and answer the school's own tests on it — no tutor, no parent sitting beside them.
That means the explaining is done here, on the page. It follows the NCERT textbook the school uses, chapter by chapter. Each chapter starts at the beginning, explains the idea in plain words, works an example before it asks a question. Every question is worked out at the back, so a wrong answer can be checked the same evening.
Science, Class 8, on the 2026–27 NCERT course.
Topic list & syllabus map
Investigating Science
- scientific method as a meta-chapter (question → observation → experiment → explanation)
- not a content chapter
- has no direct successor chapter at G9
The Invisible Living World
- cell structure and discovery
- microscopy
- microorganisms (beneficial and harmful)
- food preservation
Health
- WHO health definition
- communicable/non-communicable disease
- immunity and vaccines
- lifestyle disease
- AQI
- mental health
- Ayurvedic framing
Electricity's Effects
- magnetic effect of current
- electromagnets
- heating effect (Joule heating)
- fuses/circuit breakers
Exploring Forces
- force as push/pull
- contact vs. non-contact forces
- friction (static/sliding/rolling)
- gravity
- magnetic and electrostatic force introduced
Pressure and Storms
- P = F/A
- liquid and atmospheric pressure
- wind formation
- monsoon
- thunderstorms
- cyclones and safety
Particulate Nature of Matter
- matter as particles
- interparticle spaces and forces
- the three states
- effect of heat/pressure
- interconversion
- Acharya Kanad's Parmanu
Elements & Mixtures
- mixtures (uniform/non-uniform)
- separation methods
- elements
- compounds
- the mixture-vs-compound distinction
Solutes and Solutions
- solute/solvent/solution
- saturation
- solubility and temperature
- water as universal solvent
- solutions vs. suspensions vs. colloids
Mirrors and Lenses
- concave/convex mirrors
- refraction
- convex/concave lenses
- eye defects
- dispersion — qualitative throughout (no formula-based ray optics; that is G10)
Keeping Time with the Skies
- Moon phases
- eclipses
- Earth's rotation/revolution
- calendars (lunar/solar/lunisolar)
- historical and modern timekeeping
Nature in Harmony
- habitat
- population
- community
- ecosystem
- food chain/web
- producers/consumers/decomposers
- energy flow
- human impact
- conservation
Our Home: Earth
- Earth's layers
- biosphere
- greenhouse effect
- global warming
- solar-system comparison
- atmosphere
- water/carbon/nitrogen cycles
What it is — and isn't
It follows the NCERT Science textbook for Class 8 chapter by chapter, for 2026–27 — at this stage that textbook is the syllabus, since CBSE publishes none for Classes 6 to 8. Each chapter starts at the beginning, explains the idea in plain words, works an example before it asks a question, names the mistakes children actually make. Every question is worked out at the back, and the back matter carries a glossary of every term the book uses.
What it is not: an NCERT solutions book — it solves its own questions only; a question bank or sample-paper book; a coaching module or test series; a CBSE or NCERT publication; the school — no lab work, projects or internal-assessment help. It is not a workbook either — there is no space to write in it — and nothing in it needs a lab, an apparatus set, or anything you have to buy.