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Class 7 NCERT Maths and Science chapter-wise important notes and exercise solutions have been provided for the students in the article below. The article covers subject-wise chapters, detailed notes, and step-by-step solutions provided as a downloadable pdf file. All topics and solutions provided are as per Class 7 Maths NCERT Textbook and Class 7 Science NCERT Textbook. Students can also check the complete NCERT Solutions for Class 7 Science and NCERT Solutions for Class 7 Maths.
Class 7 Notes for Maths and NCERT Exercise Solutions
Below are the chapter-wise important notes provided for the students to understand the chapters better. Free downloadable exercise-wise NCERT solutions are also provided for each chapter.
Chapter 1 Integers
Chapter 1 Integers introduces students to positive and negative numbers, rules on basic operations on integers, and properties of integers.
Download: Chapter 1 Integers from NCERT Textbook
Some important notes covered under the Chapter 1 are listed below:
- BODMAS Rule
- Basic Operations on Integers
- Multiplication and Division of Integers
- Properties of Integers
- Associative Property
- Commutative Property
- Consecutive Integers Formula
- Integers as Exponents
- Real Numbers Formula
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 1 Integers
Chapter 2 Fractions and Decimals
Chapter 2 is based on fractions, their representation, types, and basic operations that can be performed on them. The chapter also covers decimals and basic operations on them.
Download: Chapter 2 Fractions and Decimals from NCERT Textbook
The important class 7 notes covered under Chapter 2 are listed below:
- Types of Fractions
- Fractions Vs Rational Numbers
- Addition and Subtraction of Fractions
- Fraction Multiplication
- Decimals
- Decimal to Fraction Conversion
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 2 Fractions and Decimals
Chapter 3 Data Handling
Chapter 3 introduces students to understanding a given set of data, interpreting it, and representing them using graphical methods.
Download: Chapter 3 Data Handling from NCERT Textbook
The important notes of Chapter 3 are listed below:
- Data collection and organization
- Grouping data
- Arithmetic Mean
- Mode
- Average
- Data Sets
- Pictorial Representation of Data
- Pictograph
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 3 Data Handling
Chapter 4 Simple Equations
Chapter 4 talks about algebraic equations and mathematical operations that can be performed on them. Students learn the step-by-step method to solve an equation and arrive at its solution.
Download: Chapter 4 Simple Equations from NCERT Textbook
The following important notes are covered in Chapter 4:
- Algebra
- Constants and Variables
- Reducing Equations
- Algebra as Pattern
- Algebra Symbols
- Linear Equation
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 4 Simple Equations
Chapter 5 Lines and Angles
Chapter 5 is an introduction to the world of geometry. Students learn about types of lines and angles along with the application of their properties in simple problems.
Download: Chapter 5 Lines and Angles from NCERT Textbook
The important class 7 notes from this chapter are listed below:
- Collinear Points
- Vertex
- Angles between two planes
- Angle Between Two Lines
- Angles Between LIne and a Plane
- Pairs of Angles
- Obtuse angle
- Angle Formula
- Linear Pair Axiom
- Corresponding Angles Axiom
- Line Segment
- Parallel Lines and Transversal
- Properties of Parallel Lines
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 5 Lines and Angles
Chapter 6 The Triangles and its Properties
Chapter 6 is based on triangles and their types, basic properties, important lines, and the Pythagoras Theorem.
Download: Chapter 6 The Triangles and its Properties from NCERT Textbook
Following are some important notes from Chapter 6 for students to read and understand:
- Triangles
- Properties of Triangle
- Right-Angled Triangle
- Hypotenuse
- Pythagoras Theorem
- Equilateral Triangle
- Isosceles Triangle
- Scalene Triangle
- Area of a triangle
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 6 The Triangles and its Properties
Chapter 7 Congruence of Triangles
Chapter 7 introduces students to the concepts of congruence of similar figures and the different types of congruence criteria.
Download: Chapter 7 Congruence of Triangles from NCERT Textbook
Following are some important notes related to Chapter 7 for a better understanding of the concepts covered in the chapter:
- Congruence of Triangles
- Congruence of Triangles Rule
- Similarity of Triangles
- Pythagoras Theorem
- Area of Similar Triangles
- Mid-Point Theorem
- Triangular Numbers
- Similarity Concepts
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 7 Congruence of Triangles
Chapter 8 Comparing Quantities
Chapter 8 talks about quantities involved in buying and selling. Students learn about percentages, profit, loss, fractions, and ratios, and learn to convert quantities to solve real-life problems.
Download: Chapter 8 Comparing Quantities from NCERT Textbook
Listed below are the important class 7 notes for chapter 8 for students to refer:
- Calculating Percentages
- Ratio to Percentage
- Profit or Loss
- Loss Percentage Formula
- Simple Interest Formula
- Percent Decrease Formula
- Percent Difference Formula
- Percentage Change Formula
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 8 Comparing Quantities
Chapter 9 Rational Numbers
The topic of Rational numbers and their representation is discussed in detail in Chapter 9. Students solve problems based on the properties of rational numbers discussed in the chapter.
Download: Chapter 9 Rational Numbers from NCERT Textbook
The following are important notes from the chapter for quick reference:
- Number System
- Fraction Vs Rational Numbers
- Operations on Rational Numbers
- Rationalizing Denominators
- HCF & LCM
- Additive inverse
- Closure Property
- Distributive Property
- Decimal Expansion of Rational Numbers
- Irrational Numbers
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 9 Rational Numbers
Chapter 10 Practical Geometry
Chapter 10 discusses the procedure to construct line segments, draw arcs and angles, and further construct triangles that satisfy the different congruence criteria.
Download: Chapter 10 Practical Geometry from NCERT Textbook
The relevant class 7 notes for chapter 10 are listed below to explore and learn:
- Geometry
- Geometry Formula
- Straight lines
- Line Segment
- Section Formula
- Division Line Segments
- Analytical Geometry
- Introduction to 3D Geometry
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 10 Practical Geometry
Chapter 11 Perimeter and Area
This chapter lists down the perimeter and area of basic 2-dimensional figures like squares, rectangles, parallelograms, triangles, etc. Using this understanding, students solve real-life problems in the exercise questions.
Download: Chapter 11 Perimeter and Area from NCERT Textbook
Some of the important notes in this chapter are listed below:
- Area and Perimeter
- Rectangle
- Perimeter of Rectangle
- Area Perimeter Formula
- Perimeter of Triangle
- Perimeter & Area of Circle
- Circumference of Circle
- Area of Square Using Diagonal
- Square Footage formula
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 11 Perimeter and Area
Chapter 12 Algebraic Expression
Students are introduced to variables, constants, and coefficients in an algebraic expression in this chapter. Students further learn about polynomials, their types, and mathematical operations that can be performed on them.
Download: Chapter 12 Algebraic Expression from NCERT Textbook
The important notes covered in this chapter are provided below:
- Algebra
- Algebra Formula
- Variables and Constants
- Like & Unlike Terms
- Addition & Subtraction of Algebraic Expressions
- Multiplication of Algebraic Expressions
- Algebraic Identities
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 12 Algebraic Expression
Chapter 13 Exponents and Powers
Chapter 13 discusses the broad concept of exponents and powers. Students are familiarised with the laws and practical uses of exponential and power numbers.
Download: Chapter 13 Exponents and Powers from NCERT Textbook
The following are important class 7 notes from Chapter 13 for further understanding of topics:
- Exponential Formula
- Power Vs Exponent
- Integers as Exponents
- Exponents Powers
- Powers and Negative Exponents
- Scientific Notation Normula
- Standard Form Formula
- Exponents to Express Small Numbers
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 13 Exponents and Powers
Chapter 14 Symmetry
Students are introduced to the basics of symmetry, point symmetry, and reflection symmetry. The lines of symmetry of regular polygons are also discussed briefly in this chapter.
Download: Chapter 14 Symmetry from NCERT Textbook
The important class 7 notes covered in this chapter are listed below:
- Reflection & Symmetry
- Figures with Symmetry
- Two Lines Symmetry
- Rhombus Lines of Symmetry
- Rotation Formula
- Quadrants
- Polygon Types
Free PDF Download: Class 7 Maths NCERT Solutions for Chapter 14 Symmetry
Chapter 15 Visualizing Solids
Students learn to differentiate between two-dimensional and three-dimensional shapes in this chapter. The quantities associated with solids and their representation are also explained with the help of examples.
Download: Chapter 15 Visualizing Solids from NCERT Textbook
The notes are listed below:
- Faces, Edges & Vertices
- Regular Hexagons
- 3D Shapes
- Cuboid
- Sphere
- Rectangular Pyramid
- Triangular Pyramid
Free PDF Download: 7 Maths NCERT Solutions for Chapter 15 Visualizing Solids
Class 7 Notes for Science and NCERT Exercise Solutions
The NCERT Textbook for Class 7 Science has 18 chapters. Following are the chapter-wise important notes along with the downloadable pdf solutions of exercises. This will enable students to learn deeper about the concepts and ace their assignments and exams. The Class 7 Science Sample Paper will help students understand the type of questions and the chapter-wise allotted weightage.
Chapter 1: Nutrition in Plants
Nutrition in Plants is a lively chapter that introduces students to the modes through which different plants derive their nutrition. Students also learn in detail about the part of the plant involved in photosynthesis.
Download: Chapter 1 Nutrition in Plants from NCERT Textbook
The notes covered in this chapter include:
- Chlorophyll
- Mitochondria Vs Chloroplast
- Plant Cell
- Insectivorous Plants
- Photosynthesis
- Photosynthesis Vs Respiration
- Stomata
- Autotrophs
- Autotrophic Nutrition
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 1 Nutrition in Plants 1
Chapter 2: Nutrition in Animals
Chapter 2 Nutrition in Animals discusses the different ways in which animals including micro-organisms consume food, and the process of digestion involved.
Download: Chapter 2 Nutrition in Animals from NCERT Textbook
Following are some of the important notes for a better understanding of the chapter.
- Heterotrophs
- Hetertrophic Nutrition
- Human Digestive System
- Nutrition in Human Beings
- Nutrition in Amoeba
- Digestion in Grass-Eating Animals
- Different Ways of Taking Food
- Digestion in Ruminants
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 2 Nutrition in Animals
Chapter 3: Fibre to Fabric
Chapter 3 introduces the life cycle of a piece of cloth. Processes involved in converting fibre to the final fabric are discussed in detail in the chapter.
Download: Chapter 3 Fibre to Fabric from NCERT Textbook
The important class 7 notes included in the chapter are listed below for quick reference:
- History of Clothing
- Handpicking
- Fibre to Fabric
- Animal Fibre
- Silkworms
- Recycling of Paper
- Cotton Cultivation
- Spinning of Cotton Yarn
- Yarn to Fabric
- Fibrous Materials
- Man-made Fibres
- Natural Fibres
- Plant Fibres
- Synthetic Fibres
Free PDF Download: Class 7 Science NCERT Solutions for Class 7 Chapter 3 Fibre to Fabric
Chapter 4: Heat
Chapter 4 Heat explains to students the difference between heat and temperature. Temperature Measurements, conduction, insulation, and type of clothing needed for different temperatures are discussed in detail in the chapter.
Download: Chapter 4 Heat from NCERT Textbook
The following are some important notes that will help students understand the chapter in a better way:
- Heat vs Temperature
- Celsius Vs Fahrenheit
- Temperature Measurement
- Applications of Thermometer
- Transfer of Heat
- Specific heat Capacity
- Latent Heat Capacity
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 4 Heat
Chapter 5: Acids, Bases, and Salts
Chapter 5 Acids, Bases, and Salts introduces students to the properties and applications of acids and bases and briefs on neutralization reactions in everyday life.
Download: Chapter 5 Acids, Bases, and Salts from NCERT Textbook
Listed below are some of the important notes covered in this chapter for quick reference:
- Base Meaning
- Properties of Bases
- Acids Vs Bases
- Examples of Weak Acids
- List of Strong Acids
- Weak Base
- Acid Test
- Acid Strength Factor
- pH of Weak Acid Calculation
- Lewis Acids and Base
- Importance of pH
- pH Formula
- Chemical Indicators
- Alkaline Earth Metals
- Neutralization Reaction
- Dilution Formula
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 5 Acids, Bases, and Salts
Chapter 6: Physical and Chemical Changes
Chapter 6 discusses in detail all the physical and chemical changes around us. The phenomenon of rusting of iron and crystallization is also explained in the chapter.
Download: Chapter 6 Physical and Chemical Changes from NCERT Textbook
Some relevant notes from this chapter are listed below:
- Physical Vs Chemical Changes
- Chemical Change
- Reactions in Everyday Life
- Rusting of Iron
- Rust Vs Corrosion
- Prevention of Corrosion
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 6 Physical and Chemical Changes
Chapter 7: Weather, Climate, and Adaptations of Animals to Climate
Chapter 7 explains to students the concepts of weather and climate. Students learn and understand the habitat of the different species of living organisms in different geographical spaces and their ways of adaptation.
Download: Chapter 7 Weather, Climate, and Adaptations of Animals to Climate from NCERT Textbook
The following are some of the notes that students can refer to while learning this chapter:
- Climate
- Effect of Climate Changes
- Weather Vs Climate
- Adaptation
- Humidity
- Organisms and Populations
- Winds, Storms & Cyclones
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 7
Chapter 8: Winds, Storms, and Cyclones
Chapter 8 introduces students to the physics behind the formation of winds, storms, and cyclones. Students learn how variation in air pressure, uneven heating, and other natural phenomena can cause the destruction of human life and property.
Download: Chapter 8 Winds, Storms, and Cyclones from NCERT Textbook
Following are the important notes for quick reference:
- Role of Atmosphere in Climate Control
- Air Composition
- Type of Wind
- Cloud Formation
- Safety Measures Technology
- Hurricanes
- Cyclones
- Rain
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 8 Winds, Storms, and Cyclones
Chapter 9: Soil
Chapter 9 is about the different soil types, their profile, properties like moisture, water absorption capacity, etc. Students learn how the soil variety affects the cultivation of crops across different geographical locations.
Download: Chapter 9 Soil from NCERT Textbook
Given below are some of the important notes covered in this chapter:
- Soil Profile
- Agricultural Soil
- Properties of Soil
- Nutrients
- Manure and Fertilizers
- Minerals
- Mineral Riches in Soil
- Soil Pollution
- Soil Erosion
- Transpiration
- Crop Production
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 9 Soil
Chapter 10: Respiration in Organisms
Chapter 10 briefly discusses respiration, its significance, and ways of breathing in different animals. Students also learn in detail about breathing in plants.
Download: Chapter 10 Respiration in Organisms from NCERT Textbook
Listed below are some relevant notes which will assist students in understanding the chapter better:
- Breathing Vs Respiration
- Types of Respiration
- Aerobic Respiration
- Respiration in Fish
- Breathing in Other Animals
- Human Respiratory System
- Photosynthesis Vs Respiration
- Respiration in Plants
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 10 Respiration in Organisms
Chapter 11: Transportation in Animals and Plants
Chapter 11 explains to students how the transport of food, water, and other essential nutrients takes place in our bodies. The transportation system including the function of kidneys and intestines is briefly explained.
Download: Chapter 11 Transportation in Animals and Plants from NCERT Textbook
For additional Class 7 notes related to the chapter, refer to the links provided below:
- Transportation in Human Beings
- Transportation in Animals & Plants
- Blood: Composition and Cell Types
- Blood Vessels
- Arteries
- Arteries Vs Veins
- Circulatory System
- Open Vs Closed Circulatory System
- Excretion in Animals
- Digestive System
- Human Heart
- Transportation in Plants
- Stomata
- Excretion in Plants
- Active Transport
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 11 Transportation in Animals and Plants
Chapter 12: Reproduction in Plants
Chapter 12 discusses the modes of reproduction in plants, and the formation, and disposal of seeds and fruits.
Download: Chapter 12 Reproduction in Plants from NCERT Textbook
The notes listed below will be helpful for students to easy understanding the chapter:
- What is Reproduction?
- How do Organisms Reproduce?
- Sexual Vs Asexual Reproduction
- Sexual Reproduction in Flowering Plants
- Fertilization in Plants
- Double Fertilization
- Pollen Grains
- Pollination
- Artificial Pollination
- Cross Vs Self Pollination
- Pollination by Insects
- Fruits and Seed Formation
- Angiosperm
- Budding
- Vegetative Propagation
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 12 Reproduction in Plants
Chapter 13: Motion and Time
Chapter 13 Motion and Time introduces students to the concepts of speed, measurement, and representation with respect to time.
Download: Chapter 13 Motion and Time from NCERT Textbook
The following notes are covered in this chapter:
- What is Motion?
- Periodic Motion
- Uniform motion
- Speed, Distance & Time
- Measurement of Speed
- Unit of Speed
- Measurement of Time
- Speed-Time Graphs
- Distance-Time Graph
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 13 Motion and Time
Chapter 14: Electric Current and its Effects
Chapter 14 discusses electric current, it's heating and magnetic effects. Students are introduced to the symbols of electrical components and concepts of electromagnets and the working of an electric bell.
Download: Chapter 14 Electric Current and its Effects from NCERT Textbook
The important notes from this chapter are listed below.
- Electric Current
- Unit of Electricity
- Electric Current Effects
- Electric Current Types
- Electric Charge
- Electric Field
- Electric Circuit
- Symbols of Electric Components
- Heating Effect of Electric Current
- Magnetic Effect of Electric Current
- Electromagnet
- Electromagnet Types & Applications
- Electromagnets Vs Permanent Magnets
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 14 Electric Current and its Effect
Chapter 15: Light
Chapter 15 introduces students to the amazing world of light. Properties of light, spherical mirrors, and image formation by lenses are explained in detail with the help of fun examples.
Download: Chapter 15 Light from NCERT Textbook
The following Class 7 notes from the chapter will guide students to learn in-depth about important concepts:
- Light Sources
- Properties of Light
- Reflection of Light
- Light Energy
- Electromagnetic Spectrum
- Concave Lens
- Convex Lens
- Concave Vs Convex Mirror
- Images Formed by Lenses
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 15 Light
Chapter 16: Water: A Precious Resource
Chapter 16 is about the availability of water and the types present on the earth’s surface. The distribution of water, the factors leading to its depletion and measures to conserve are discussed in detail in the chapter.
Download: Chapter 16 Water: A Precious Resource from NCERT Textbook
Some of the relevant notes that students will find useful while studying this chapter are listed as follows:
- Forms of Water
- Water Table
- Groundwater
- Conservation of Water
- Importance of Water
- Deforestation
- Rain Water Harvesting
- Causes of Water Scarcity
- Water Pollution
- Water Pollution Control
- Natural Resource Management
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 16 Water: A Precious Resource
Chapter 17: Forests – Our Lifeline
Chapter 17 brings awareness to the importance of forests in our lives. Students in this chapter understand the various components of the forests, the dependence of all living forms on forests, and ways of conservation from deforestation.
Download: Chapter 17 Forests: Our Lifeline from NCERT Textbook
Some important reference notes are provided below:
- Flora and Fauna
- Importance of Forests
- Forest Conservation
- Deforestation
- Interdependence of Plants and Animals
- Sustainability of Natural Resources
- Food Web
- Food Chain
- Food Chain Vs Food Web
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 17 Forests- Our Lifeline
Chapter 18: Wastewater Story
Chapter 18 Wastewater Story highlights the importance of appropriate sewage treatment in our lives. Students are introduced to the concepts of wastewater or sewage treatment plants, better housing practices, and the importance of sanitation in private and public places.
Download: Chapter 18 Wastewater Story from NCERT Textbook
Following are related class 7 notes from the chapter provided as a quick reference to help the students:
- Causes of Water Pollution
- Algal Bloom
- Types of Waste
- Municipal Solid Waste
- Role of Microbes in Human Welfare
- Slash & Burn Agriculture
- Sanitation and Disease
- Sewage & Waste Water Management
- Sewage Treatment
- Waste Disposal & Management
- Recycling Paper
- Ganga Action Plan
Free PDF Download: Class 7 Science NCERT Solutions for Chapter 18 Wastewater Story
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