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NCERT Solutions for Class 7 Science

The extremely crucial information in NCERT Solutions Science Class 7 aids students in grasping difficult concepts and aids in their preparation for the Class 7 test. Your comprehension of a particular topic will be confirmed by studying the answers to the questions in the textbook, which will also help you identify your strengths and weaknesses. Our subject specialists have created these NCERT Solutions for Class 7 Science in such a way that it will be easy for students to comprehend all the material contained in the CBSE 7 Science syllabus.

NCERT Solutions for Class 7 ScienceNCERT Solutions for Class 7 Science

Chapter Wise NCERT Solutions for Class 7 Science

The chapter-wise NCERT Solutions for Class 7 Science provide a detailed explanation of the topics, which helps students to understand the text easily. The solutions also include various exercises and questions that help students to practice and test their understanding of the concepts covered in each chapter.

NCERT Solutions for Class 7 Science Chapter 1 – Nutrition in Plants

Topics Covered in Class 7 Science Chapter 1 Nutrition in Plants:
Also access the following resources for Class 7 Chapter 1 Nutrition in Plants at EduRev:

NCERT Solutions for Class 7 Science Chapter 2 – Nutrition in Animals 

NCERT Class 7 Science Chapter 2 is all about acids, bases and salts. In this chapter, we will study the reactions of acids and bases, how acids and bases cancel out each other’s effects and many more interesting things that we use in our day-to-day life. Students will get to understand the chemical properties of acids and bases, how acids and bases react with metals, how  metal carbonates and metal hydrogen carbonates react with acids, how acids and bases react with each other, reaction of metallic oxides with acids and reaction of a non-metallic oxide with base explained with suitable examples and various chemical reactions.

Topics Covered in Class 7 Science Chapter 2 Nutrition in Animals:
Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH ions, General properties, examples and uses, neutralization, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.

Also access the following resources for Class 7 Chapter 2 Nutrition in Animals at EduRev:

NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric

In previous classes, students must have learned about various elements that can be classified as metals or non-metals on the basis of their properties. Here in Chapter 3 of Class 7 Science, students will learn about the physical properties of metals and non-metals.

Topics Covered in Class 7 Science Chapter 3 Fibre to Fabric:
Metals and nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.

NCERT Solutions for Class 7 Science Chapter 4 – Heat

In this chapter, students will study some more interesting compounds and their properties. The chapter also explains some of the chemical properties of carbon and its compounds such as combustion, oxidation, addition reaction, substitution reaction. Ethanol and ethanoic acid are carbon compounds of importance in our daily lives. Soaps and detergents are studied with their chemical structures and properties and their difference is also discussed.

Topics Covered in Class 7 Science Chapter 4 Heat:
Carbon compounds: Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.

Also access the following resources for Class 7 Chapter 4 Heat at EduRev:

NCERT Solutions for Class 7 Science Chapter 5 – Acids, Bases & Salts

In this chapter, Periodic Classification of Elements, elements in the Modern Periodic Table are arranged in 18 vertical columns called groups and 7 horizontal rows called periods. Elements thus arranged show periodicity of properties including atomic size, valency or combining capacity and metallic and non-metallic character. The valency of an element is determined by the number of valence electrons present in the outermost shell of its atom. The term atomic size refers to the radius of an atom.

Also access the following resources for Class 7 Chapter 5 Acids, Bases & Salts at EduRev:

NCERT Solutions for Class 7 Science Chapter 6 – Physical & Chemical Changes

NCERT Class 7 Science Chapter 6 explains Life Processes. The chapter also teaches about nutrition which means the process of taking in food and using it for growth, metabolism and repair.The next topic is nutrition in human beings. The various steps of nutrition are ingestion, digestion, Oesophagus, stomach, small intestine, bile, absorption, assimilation and egestion. The next subtopic is respiration in which the human respiratory system is explained beautifully. The different elements of the human respiratory system are lungs, bronchi, larynx, pharynx, etc.

Topics Covered in Class 7 Science Chapter 6 Physical & Chemical Changes:
Life processes: ‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals.
Also access the following resources for Class 7 Chapter 6 Physical & Chemical Changes at EduRev:

NCERT Solutions for Class 7 Science Chapter 7 – Weather, Climate & Adaptations of Animals to Climate

Chapter 7 of Class 7 teaches about control and coordination which are the functions of the nervous system and hormones in our bodies. The responses of the nervous system can be classified as  reflex action, voluntary action or involuntary action.

Topics Covered in Class 7 Science Chapter 7 Weather, Climate & Adaptations of Animals to Climate:
Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.

Also access the following resources for Class 7 Chapter 7 Weather, Climate & Adaptations of Animals to Climate at EduRev:

NCERT Solutions for Class 7 Science Chapter 8 – Winds, Storms & Cyclones

How do Organisms Reproduce chapter involves the creation of a DNA copy and additional cellular apparatus by the cell involved in the process. 

Topics Covered in Class 7 Science Chapter 8 Winds, Storms & Cyclones:
Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health – need and methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women’s health.

 Also access the following resources for Class 7 Chapter 8 Winds, Storms & Cyclones at EduRev:

NCERT Solutions for Class 7 Science Chapter 9 – Soil

In this chapter, Students will learn about Heredity and Evolution. Reproductive processes give rise to new individuals that are similar, but subtly different. It has already been discussed how some amount of variation is produced even during asexual reproduction. 

Topics Covered in Class 7 Science Chapter 9 Soil:
Heredity and Evolution: Heredity; Mendel’s contribution – Laws for inheritance of traits: Sex determination: brief introduction: (topics excluded – evolution; evolution and classification and evolution should not be equated with progress).

Also access the following resources for Class 7 Chapter 9 Soil at EduRev:

NCERT Solutions for Class 7 Science Chapter 10 – Respiration in Organisms

In  NCERT Class 7 Science Chapter 10, we will study the phenomena of reflection and refraction of light using the straight-line propagation of light. These basic concepts will help us in the study of some of the optical phenomena in nature. The chapter also discusses the reflection of light by spherical mirrors and refraction of light and their application in real life. 

Topics Covered in Class 7 Science Chapter 10 Respiration in Organisms:
Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required),magnification.
Refraction; Laws of refraction, refractive index.
Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula(Derivation not required); Magnification. Power of a lens.

Also access the following resources for Class 7 Chapter 10 Respiration in Organisms at EduRev:

NCERT Solutions for Class 7 Science Chapter 11 – Transportation in Animals & Plants

In the previous chapter, students learnt about light and some of its properties. In this chapter, we will study some of the optical phenomena in nature. The chapter also discusses the rainbow formation, splitting of white light and blue color of the sky.

Topics Covered in Class 7 Science Chapter 11 Transportation in Animals & Plants:
Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses.
Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life (excluding colour of the sun at sunrise and sunset).

Also access the following resources for Class 7 Chapter 11 Transportation in Animals & Plants at EduRev:

NCERT Solutions for Class 7 Science Chapter 12 – Reproduction in Plants

Class 7 chapter 12 - Electricity carries at least 8 marks according to the question paper patterns observed in the previous years. The main topics and sub topics covered under this chapter are given below.

Topics Covered in Class 7 Science Chapter 12 Reproduction in Plants:
Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Interrelation between P, V, I and R.

Also access the following resources for Class 7 Chapter 12 Reproduction in Plants at EduRev:

NCERT Solutions for Class 7 Science Chapter 13 – Motion & Time

In this chapter students will study magnetic fields and such electromagnetic effects, along with electromagnets and electric motors which involve the magnetic effect of electric current, and electric generators, which involve the electric effect of moving magnets.

Topics Covered in Class 7 Science Chapter 13 Motion & Time:
Magnetic effects of current: Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming’s Left Hand Rule, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Also access the following resources for Class 7 Chapter 13 Motion & Time at EduRev:

NCERT Solutions for Class 7 Science Chapter 14 – Electric Current & its effects

In this chapter, all the important topics of Chapter 14 Sources of Energy such as the Classification of energy resources, renewable and non-renewable energy resources, conventional sources of energy, biomass, hydroelectric power plant, wind energy, non-conventional sources, energy from the ocean (tidal energy, wave energy, ocean thermal energy) and how to harness it, geothermal energy, nuclear energy, the difference between conventional and non-conventional energy resources, advantage and disadvantages of the thermal power plant, solar panel, energy conversion have been discussed.

Also access the following resources for Class 7 Chapter 14 Electric Current & its effects at EduRev:

NCERT Solutions for Class 7 Science Chapter 15 – Light

This chapter discusses how various components in the environment interact with each other and how we impact the environment. The various components of an ecosystem are interdependent. The producers make the energy from sunlight available to the rest of the ecosystem.

Topics Covered in Class 7 Science Chapter 15 Light:
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.

Also access the following resources for Class 7 Chapter 15 Light at EduRev:

NCERT Solutions for Class 7 Science Chapter 16 – Water

In this chapter, we will look at some of our resources and how we are using them. Our resources like forests, wildlife, water, coal and petroleum need to be used in a sustainable manner. We can reduce pressure on the environment by sincerely applying the maxim of ‘Refuse, Reduce, Reuse, Repurpose and Recycle’ in our lives. 

Also access the following resources for Class 7 Chapter 16 Wastewater Story at EduRev:

NCERT Solutions for Class 7 Science Chapter 17 – Forests - Our Lifeline

In this chapter, we will look at some of our resources and how we are using them. Our resources like forests, wildlife, water, coal and petroleum need to be used in a sustainable manner. We can reduce pressure on the environment by sincerely applying the maxim of ‘Refuse, Reduce, Reuse, Repurpose and Recycle’ in our lives.
Also access the following resources for Class 7 Chapter 17 Forests - Our Lifeline at EduRev:

NCERT Solutions for Class 7 Science Chapter 18 – Wastewater Story

In this chapter, we will look at some of our resources and how we are using them. Our resources like forests, wildlife, water, coal and petroleum need to be used in a sustainable manner. We can reduce pressure on the environment by sincerely applying the maxim of ‘Refuse, Reduce, Reuse, Repurpose and Recycle’ in our lives. 

Also access the following resources for Class 7 Chapter 18 Wastewater Story at EduRev:

Importance of NCERT Solutions for Class 7 Science

NCERT Solutions for Class 7 Science are important for students as they provide a comprehensive and detailed understanding of the various scientific concepts and ideas covered in the Science textbook prescribed by the NCERT. The following are some of the key benefits of using NCERT Solutions for Class 7 Science:

  • Structured and simplified learning: The solutions are designed to provide a structured and simplified learning experience for students. The solutions explain the concepts and ideas covered in the textbook in a simple and easy-to-understand language.
  • Comprehensive coverage: The NCERT Solutions for Class 7 Science cover all the chapters and topics included in the Science textbook prescribed by the NCERT. The solutions provide a detailed explanation of the concepts and ideas covered in each chapter.
  • Helps in improving problem-solving skills: The solutions provide step-by-step explanations and examples to solve the questions given in the textbook. This helps students to understand the problem-solving techniques and improve their problem-solving skills.
  • Helps in exam preparation: The NCERT Solutions for Class 7 Science are helpful for students preparing for various competitive exams and also for those who want to excel in their academics. The solutions provide a thorough understanding of the concepts and ideas, which helps in scoring good marks in the exams.
  • Easy accessibility: The solutions are available in both online and offline modes, and students can access them from anywhere and at any time.

In conclusion, NCERT Solutions for Class 7 Science are an essential tool for students to excel in their academics and develop a strong foundation in Science. It helps in enhancing critical thinking and problem-solving abilities, which are important life skills that can be useful in various fields.

Benefits of EduRev’s NCERT Science Solutions for Class 7

NCERT Solutions for Class 7 Science are an important tool for students as they provide a structured and comprehensive understanding of various scientific concepts and ideas covered in the Science textbook prescribed by the NCERT. The following are some of the key benefits of using NCERT Solutions for Class 7 Science:

  • Detailed explanations: The NCERT Solutions for Class 7 Science provide a detailed explanation of the concepts and ideas covered in each chapter. This helps students to develop a better understanding of the subject.
  • Chapter-wise coverage: The solutions are chapter-wise, which allows students to study one chapter at a time and understand the concepts and ideas covered in each chapter.
  • Easy to understand language: The solutions are written in simple and easy-to-understand language, which makes it easier for students to comprehend the concepts and ideas covered in the textbook.
  • Step-by-step solutions: The solutions provide step-by-step explanations and examples to solve the questions given in the textbook. This helps students to understand the problem-solving techniques and improve their problem-solving skills.
  • Exam preparation: The NCERT Solutions for Class 7 Science are helpful for students preparing for various competitive exams and also for those who want to excel in their academics. The solutions provide a thorough understanding of the concepts and ideas, which helps in scoring good marks in the exams.
  • Enhances critical thinking: The solutions are designed to enhance critical thinking and analytical skills among students. The solutions provide various exercises and questions that help students to think logically and critically.
  • Availability: The solutions are easily available online and offline, which makes it convenient for students to access them from anywhere and at any time.

In conclusion, NCERT Solutions for Class 7 Science are an essential tool for students to excel in their academics and develop a strong foundation in Science. It helps in enhancing critical thinking, problem-solving skills, and analytical skills, which are important life skills that can be useful in various fields.

Students can also access NCERT Solutions of all subjects of Class 7:

Frequently Asked Questions (FAQs):

NCERT Solutions for Class 7 Science

What is the main focus of the NCERT Solutions for Class 7 Science?

The main focus of the NCERT Solutions for Class 7 Science is to provide detailed explanations and solutions to the questions and exercises in the NCERT Science textbook for Class 7. They are designed to help students understand and apply scientific concepts and skills.

What kind of information is included in the NCERT Solutions for Class 7 Science?

The NCERT Solutions for Class 7 Science includes detailed explanations, diagrams, and examples for each chapter of the NCERT Science textbook. They cover topics such as biology, chemistry, and physics and includes the questions and exercises from the textbook.

Are the NCERT Solutions for Class 7 Science available in different languages?

NCERT Solutions for Class 7 Science are typically available in English, but some websites and platforms may also provide solutions in other languages such as Hindi.

Are the NCERT Solutions for Class 7 Science suitable for exam preparation?

The NCERT Solutions for Class 7 Science are a great resource for exam preparation as they provide detailed explanations and solutions to the questions and exercises in the NCERT Science textbook for Class 7. They can help students understand and apply the concepts and skills covered in the textbook and can be used as a study guide for exams.

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