Curiosity: Class 7 Science (NCERT)
NCERT's Class 7 Science textbook, Curiosity, made visual: see how science works through pictures, activities and questions instead of memorising. It connects biology, physics and chemistry with India's own knowledge traditions and everyday life.
The Ever-Evolving World Of Science
Chapter 1
Chapter 1 · Start here
The Ever-Evolving World Of Science
Science is about asking good questions, not memorising answers. Get a first look at what you'll explore this year.
Sprint 1
Thinking Like A Scientist
Science is a way of discovering things, and it comes with a responsibility to protect our world.
Sprint 2
How The Sciences Connect
A first look at this year's big themes, and how physics, chemistry, biology and Earth science link together.
Sprint 3
Review: The Ever-Evolving World Of Science
Check the chapter's big ideas, and design an investigation of your own.
Exploring Substances: Acidic, Basic And Neutral
Chapter 2
Chapter 2 · Start here
Exploring Substances: Acidic, Basic And Neutral
Acids, bases and neutral substances around you, and how simple indicators tell them apart.
Sprint 4
Acids, Bases, And Litmus
Define acidic, basic, and neutral substances and introduce Litmus as the primary indicator.
Sprint 5
Nature's Colorful Indicators
Explore other natural indicators like turmeric, red rose extract, and olfactory indicators.
Sprint 6
The Magic Of Neutralisation
Understand the chemical process of neutralisation and the formation of salt, water, and heat.
Sprint 7
Neutralisation In Daily Life
Apply the concept of neutralisation to solve real-world problems like ant bites, soil pH, and industrial waste.
Sprint 8
Chapter Review: Acids, Bases, And Neutralisation
Comprehensive recall, application, and synthesis of the chapter concepts.
Electricity: Circuits And Their Components
Chapter 3
Chapter 3 · Start here
Electricity: Circuits And Their Components
How cells, bulbs and switches make a circuit, and how electricity reaches the devices in your pocket.
Sprint 9
The Power Source: Cells And Batteries
Understand the anatomy of an electric cell and how cells combine to form a battery.
Sprint 10
Let There Be Light: Incandescent & LED Lamps
Differentiate between the structure and function of incandescent bulbs and LED lamps.
Sprint 11
Making Connections: Circuits & Switches
Define an electrical circuit, current direction, and how a switch controls the flow.
Sprint 12
Speaking The Language: Circuit Diagrams
Learn the standard international symbols for electrical components and how to read/draw circuit diagrams.
Sprint 13
Conductors And Insulators
Classify materials based on electrical conductivity and understand their safety applications.
Sprint 14
Chapter Review
Synthesize knowledge of circuits, components, diagrams, and conductivity through varied assessments.
The World Of Metals And Non-metals
Chapter 4
Chapter 4 · Start here
The World Of Metals And Non-metals
How metals and non-metals differ, and why we use each for different things.
Sprint 15
Physical Properties Of Metals
Define and identify physical characteristics (malleability, ductility, sonority, conductivity) that distinguish most metals from non-metals.
Sprint 16
Chemical Reactions Of Metals
Understand how metals interact with air (oxygen) and water, resulting in basic oxides, corrosion, and rusting.
Sprint 17
The World Of Non-Metals
Identify the distinct chemical and physical behaviors of non-metals, their acidic oxides, and their critical everyday uses.
Sprint 18
Comparing Metals And Non-metals
Synthesize and contrast all physical and chemical properties of metals and non-metals in a structured format.
Sprint 19
Chapter Review
Ensure long-term retention of key terms, evaluate comprehension across all cognitive levels, and practice reasoning skills.
Changes Around Us: Physical And Chemical
Chapter 5
Chapter 5 · Start here
Changes Around Us: Physical And Chemical
Everyday changes around you, and how to tell a physical change from a chemical one.
Sprint 20
Physical Changes & Reversibility
Define physical changes based on property alterations without new substance formation, and evaluate their reversibility.
Sprint 21
Chemical Changes & Reactions
Understand that chemical changes result in the formation of entirely new substances, using lime water and rusting as primary examples.
Sprint 22
Combustion & The Fire Triangle
Define combustion as a chemical reaction requiring oxygen, heat, and fuel, introducing the concept of ignition temperature.
Sprint 23
Complex Changes & Classification
Analyze complex events (like a burning candle) that involve both physical and chemical changes, and evaluate changes based on human desirability.
Sprint 24
Slow Natural Changes
Distinguish between weathering (physical and chemical breakdown of rocks) and erosion (physical movement of broken rocks).
Sprint 25
Chapter Review
Synthesize and retrieve key concepts regarding physical and chemical changes, combustion, and natural processes.
Adolescence: A Stage Of Growth And Change
Chapter 6
Chapter 6 · Start here
Adolescence: A Stage Of Growth And Change
The changes your body and mind go through as you grow up, and how to stay healthy through them.
Sprint 26
Physical Changes Of Puberty
Understand and categorize the visible physical changes and secondary sexual characteristics that occur during puberty.
Sprint 27
Reproductive Capability & Menstruation
Understand internal reproductive maturation, the menstrual cycle, and the importance of breaking taboos.
Sprint 28
Hormones & Emotional Changes
Understand that hormones drive physical changes, and learn how to navigate the emotional shifts of adolescence.
Sprint 29
Health, Hygiene & Nutrition
Identify essential nutritional requirements, understand the importance of personal and menstrual hygiene, and recognize government support initiatives.
Sprint 30
Social Life & Substance Abuse
Navigate online social spaces safely (cyberbullying) and learn to firmly reject addictive and harmful substances.
Sprint 31
Review: Adolescence
Consolidate learning about the physical, emotional, and social changes of adolescence, ensuring readiness for assessment.
Heat Transfer In Nature
Chapter 7
Chapter 7 · Start here
Heat Transfer In Nature
Why some things feel hot and others cold, and how heat moves through solids, liquids, air and across the planet.
Sprint 32
Conduction: Heat Transfer In Solids
Understand conduction as particle-to-particle heat transfer without particle movement, and classify materials as conductors or insulators.
Sprint 33
Convection: Heat Transfer In Fluids
Understand that convection involves the actual physical movement of particles in liquids and gases.
Sprint 34
Land And Sea Breezes
Apply the principles of convection to explain coastal weather patterns based on differential heating of land and water.
Sprint 35
Radiation: Heat Without A Medium
Understand that radiation transfers heat directly without needing a physical medium, and recognize how all three heat transfer methods interact in real life.
Sprint 36
The Water Cycle & Groundwater
Map how solar heat drives the water cycle, and understand how surface water infiltrates the earth to become groundwater.
Sprint 37
Review: Heat Transfer & Earth's Systems
Synthesize understanding of heat transfer modes and their large-scale effects on planetary water and weather systems.
Measurement Of Time And Motion
Chapter 8
Chapter 8 · Start here
Measurement Of Time And Motion
How people have measured time, and how to describe how fast things move.
Sprint 38
History Of Time Measurement
Understand how humans measured time before modern clocks using periodic natural events and early mechanical devices.
Sprint 39
The Simple Pendulum
Understand oscillatory motion, define a pendulum's anatomy, and determine how to calculate its time period.
Sprint 40
Speed And Units Of Measurement
Define speed, connect it to units of distance and time, and learn the standard rules for writing SI units.
Sprint 41
Math Of Motion: Speed, Distance, Time
Manipulate the speed formula to solve for distance or time, and understand how vehicles measure these values.
Sprint 42
Uniform Vs Non-uniform Motion
Distinguish between uniform and non-uniform linear motion by analyzing distance-time data.
Sprint 43
Chapter Review
Consolidate vocabulary, solve comprehensive numericals, and reflect on the scientific impact of timekeeping.