NCERT Solutions for Class 7 Science help the students to answer the textbook questions logically. These solutions are prepared by experts as per the latest CBSE syllabus. Class 7 Science NCERT Solutions are specially written for students who wish to score excellent marks in their examination. Students can also download these solutions in format PDF for free.
Class 7 Science NCERT Solutions
- Chapter 1 Nutrition in Plants
- Chapter 2 Nutrition in Animals
- Chapter 3 Fibre to Fabric
- Chapter 4 Heat
- Chapter 5 Acids, Bases and Salts
- Chapter 6 Physical and Chemical Changes
- Chapter 7 Weather, Climate and Adaptations of Animals to Climate
- Chapter 8 Winds, Storms and Cyclones
- Chapter 9 Soil
- Chapter 10 Respiration in Organisms
- Chapter 11 Transportation in Animals and Plants
- Chapter 12 Reproduction in Plants
- Chapter 13 Motion and Time
- Chapter 14 Electric Current and Its Effects
- Chapter 15 Light
- Chapter 16 Water: A Precious Resource
- Chapter 17 Forests: Our Lifeline
- Chapter 18 Wastewater Story
WE have explained all the 7th class science concepts comprehensively. If there is any trouble in grasping the topics related to science, students can refer to the chapter-wise solutions covered in CBSE Class 7 Science.
Class 7 Science NCERT Solutions Chapter-wise Brief
Here is the list of chapters with brief introductions:
Chapter 1: Nutrition in Animals
This chapter deals with the mode of nutrition and how living organisms overcome their need for food and nutrition. In this chapter, you will also learn about saprotrophic nutrition, how nutrients are replenished in the soil.
Chapter 2: Nutrition in Plants
In this chapter, you will learn different topics related to nutrition in animals. The chapter starts with the mode of taking food into the body, and then the human digestive system is described in detail with a well-illustrated diagram. At the latter half of the chapter, it describes the digestion of grass-eating animal. At the end digestion and feeding of amoeba is explained.
Chapter 3: Fibre to Fabric
This chapter deals with different types of fibres like silk, wool, how these materials are produced and different methods of processing. Moreover, you will learn the history of silk moth and the process of obtained silk from the cocoon.
Chapter 4: Heat
In the chapter, students understand, how do we find out whether an object is hot or cold, how to measure temperature. Further, you will learn about laboratory thermometer, transfer of heat and the kind of clothes we wear in summer and winters.
Class 7 Science Chapter 5: Acids, Bases and Salts
In this chapter, you will learn about acids and bases. Further, you will study about the natural indicators such as litmus paper, turmeric. At the end, you will see the process of neutralisation and example of neutralisation in daily life.
Class 7 Science Chapter 6: Physical and Chemical Changes
This chapter describes two types of changes- physical changes and chemical changes through various activities. In this chapter, you will learn about how matter reacts in environmental conditions and changes in shape, structure, size and composition. Further, you will also understand the topics such as rusting of iron and crystallisation.
Chapter 7: Weather, Climate And Adaptations of Animals To Climate
This chapter starts with the description of weather and climate. Then, it explains the effect of climate on living organism and how they get adapted to the climate. The polar regions, the tropical rainforests are also explained at the end of this chapter.
Chapter 8: Winds, Storms and Cyclones
This chapter deals with the science behind the natural calamities like floods, storms, cyclones, etc. This chapter starts with explaining some properties of air like air exerts pressure, High-Speed winds are accompanied by reduced air pressure and air expands on heating. At the end, you will get to know about effective safety measures and the technologies that help us to protect from these calamities.
Chapter 9: Soil
The chapter starts with the topic soil profile, which describes the different layers of soil. Then the topics like soil types, properties of soil, moisture in soil, absorption of water by soil, soil and crops are elaborate.
Chapter 10: Respiration in Organisms
This chapter deals with the topic of respiration as a vital biological process and breathing. This chapter starts by explaining why do you respire. Then it describes the types of the respiration, breathing process, how we breathe, human respiratory system, breathing in other animals etc. Further, the chapter explains how fish breathe underwater and the process of respiration in plants.
Chapter 11: Transportation in Plants and Animals
In this chapter, the student will learn about the transport of substances in animals and plants. The chapter explains the circulatory system, excretion in animals and transportation of underwater in plants in detail.
Chapter 12: Respiration in Animals
This chapter introduces the reproduction in plants. Different modes of reproduction in plants are further discussed in this chapter. In the asexual reproduction part, you will get to know about budding, fragmentation and spore formation. Whereas in sexual reproduction section you will learn about pollination and fertilization. At the end, the chapter describes the seed formation and seed dispersion.
Chapter 13: Motion and Time
This chapter of physics deals with the fundamentals of speed including types and calculation of speed and motion. In the first part of this chapter, you will learn the concept of speed, how to measure speed, measurement of time. At the end, you will get to know about the distance-time graph.
Chapter 14: Electric Current and Its effect
This chapter deals with the basics of electric current, heating and magnetic effect of current and its application. At the beginning of this chapter, you will learn the symbols of electric components. Then you will learn the heating effect of electric current and magnetic effect of electric current. At the end, you will study about electromagnet and electric bell in detail.
Chapter 15: Light
In this chapter, you will get to know that light travels along straight lines. Further, you will learn about some important topics such as reflection of light, spherical mirror, lens, images formed by lenses etc.
Chapter 16: Water – A Precious Resource
The chapter starts by describing how much water is available on earth. Then, it explains about water cycle and forms of water. Then it also explains that groundwater is an important source. Moreover, you will learn about the depletion of water, water management, distribution of water and the effect of water scarcity on plants.
Chapter 17: Forests – Our Lifeline
This is an important chapter for class 7 students. In this chapter, you will learn about the circulatory system, excretion in animals, human excretory system, transportation of substances and transpiration in plants in detail.
Chapter 18: Wastewater Story
It deals with water as lifeline resource for life on earth. Water is the lifeline for humans and animals on earth. Emphasizing this, the chapter explains what is sewage, treatment of pollutant water, wastewater treatment plant, better housekeeping practices, sanitation and disease, an alternative arrangement for sewage disposal and sanitation at public places.
Features of Class 7 NCERT Science Solutions
Our subject experts have explained all the concepts comprehensively with CBSE class 7 science syllabus. The solutions are guaranteed to be error-free and easily comprehensible. If there is any trouble in comprehending a topic related to science, the student can refer to the solutions related to every topic covered in CBSE Class 7 Science.