Class 7 Notes: Maths and Science, NCERT Solutions

Collegedunia Team logo

Collegedunia Team

Content Curator

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:

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:

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:

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:

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:

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:

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:

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: 

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: 

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:

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:

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:

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:

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: 

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:​

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:

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.

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:

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:

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:

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:

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:

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: 

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:

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:

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:

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:

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:

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. 

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:

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:

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:

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: 

Free PDF Download: Class 7 Science NCERT Solutions for Chapter 18 Wastewater Story 

Also Check:

Check Out:


CBSE X Related Questions

  • 1.
    Two dice are rolled together. The probability of getting an outcome $(x, y)$ where $x \gt y$, is

      • $\frac{5}{12}$
      • $\frac{5}{6}$
      • $1$
      • $0$

    • 2.
      Use graphical method to solve the system of linear equations : $x = -3$ and $5x - 2y = -5$.


        • 3.
          A chord of a circle, of radius 14 cm, subtends an angle of $60^\circ$ at the centre. Find the area of the smaller sector and perimeter of the smaller segment.


            • 4.
              How does the change in curvature of the eye lens help us in the process of seeing the nearby objects clearly?


                • 5.
                  In the given figure, $AB \parallel DE$ and $AC \parallel DF$. Show that $\Delta ABC \sim \Delta DEF$. If $BC = 10\text{ cm}$, $EB = CF = 5\text{ cm}$ and $AB = 7\text{ cm}$, then find the length $DE$.


                    • 6.
                      Two water taps together can fill a tank in $8\frac{8}{9}$ hours. The tap of larger diameter takes 4 hours less than the smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.

                        Comments


                        No Comments To Show