Content Curator
NCERT Solutions for Class 8 Science are provided in this article. Class 8 Science NCERT Solutions includes 18 chapters from Physics, Chemistry, and Biology. It covers some of the important concepts like microorganisms, nitrogen fixation and nitrogen cycle, the effect of plastics on the environment, fuel efficiency, cell structure and function, and others.
NCERT Chapter-wise Solutions Class 8 Science
The chapter-wise NCERT Solutions for Class 8 Science are given below:
NCERT Solutions Class 8 Science: Chapter-Wise Details
The chapter-wise topics and concepts covered in the Class 8 Science Syllabus are elaborated below:
Chapter 1: Crop Production and Management
This chapter explains how food is being produced through agricultural practices. Further, this chapter also covers the crops that are mainly divided into two types in India based on the season, i.e rabi and Kharif. Some of the basic practices of crop production comprise the following points which are explained in detail in this chapter.
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| Recycling of Paper | Agricultural Implements | Agriculture Soil |
| Agriculture Seeds Selection Sowing | Crop Production and Management | Difference Between Rabi and Kharif Crops |
Chapter 2: Microorganisms – Friend and Foe
The chapter starts with the definition of microorganisms. Further different methods of food preservation have been explained in this chapter. Furthermore, it has explained how microorganism plays an important role in our lives through various examples.
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| Difference Between Molds and Yeasts | Difference Between Virus and Bacteria | Bacillus Bacteria |
| Food Poisoning | Food Preservation | |
Chapter 3: Synthetic Fibres and Plastics
Chapter 3 elaborates the synthetic fibers and their type such as, rayon, nylon, polyester, and acrylic. It also provides a description of the characteristics of synthetic fibers in detail. Then, the chapter introduces students to plastics, their properties, and their effect of it on the environment.
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| Nylon | Fibres | Difference Between Thermoplastic and Thermosetting Plastic |
Chapter 4: Materials – Metals and Non-Metals
The chapter describes the physical and chemical properties of metals and non-metals. This chapter will help the students classify the components into metals and non-metals depending on their properties.
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| Aluminium Sulfate | Sodium Sulfide | Aluminum Bromide Formula |
Chapter 5: Coal and Petroleum
It covers the natural resources and their classification, explaining that coal, petroleum, and natural gas are fossil fuels that are formed from the dead remains of living organisms millions of years ago. It also elaborates on how coke, coal tar, and coal gas are formed from coal, and refining petroleum.
Other important topics that are covered:
| Chapter Related Topics | |
|---|---|
| Mineral Fuels | Coal and Petroleum |
Chapter 6: Combustion and Flame
This chapter explains combustion and its different types, with the help of activities. The measures to control the fire are also explained. Thereafter, the concept of flame and the structure of flame is explained as well. In the end, it mentions the topic of fuel, fuel efficiency, and the harmful effects of burning fuel.
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| Fuel Efficiency | Combustion and Flames | Spontaneous Combustion |
| Combustion Formula | Heat of Combustion | Combustion Fuels |
Chapter 7: Conservation of Plants and Animals
This chapter emphasizes how to protect and conserve biodiversity, the government set up rules, methods, and policies and created protected areas such as wildlife sanctuaries, national parks, biosphere reserves, etc. Plantation, cultivation, grazing, cutting trees, hunting, and poaching are strictly prohibited there.
Other important topics that are covered:
Chapter 8: Cell – Structure and Functions
Chapter 8 of NCERT Solutions Class 8 mentions that the cell is the smallest living part of an organism. Along with that, it also explains how cells exhibit a variety of shapes and sizes and the number of cells varies from organism to organism. The different parts of the cell are explained in detail:
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| Cell Membrane | Cytoplasm | Nucleus |
Chapter 9: Reproduction in Animals
This chapter describes that there are two modes of reproduction i.e sexual and asexual reproduction, through which animals reproduce. The topic of sexual reproduction is described in detail. At the end of this chapter, asexual reproduction is explained.
Other important topics that are covered:
Chapter 10: Reaching the Age of Adolescence
In this Chapter 10, students will learn the role of hormones due to which changes are observed in the human body and transform a child into an adult.
- Adolescence and Puberty
- Changes introduced during puberty
- Secondary sexual characters
- Role of hormones in initiating Reproductive function
- Reproductive phase of Life in Humans
- Role of hormones in completing the life history of insects and frogs
- Reproductive health
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| Love Hormone - Oxytocin | Adolescence Teenage Characters | Menopause |
| Hormones | Sex determination | Sex hormones |
Chapter 11: Force and Pressure
This chapter is an important part of Physics as it explains how a force arises from the interaction of two objects, how force can be a push or a pull, and how it can change the state of motion or shape of an object. Then the topics such as are also explained.
Other important topics that are covered:
Chapter 12: Friction
This chapter describes the force of friction, factors affecting friction, how friction can be increased and reduced. The topic of fluid friction is also described at the end of this chapter.
Other important topics that are covered:
Chapter 13: Sound
This chapter covers sound plays an important role in human lives by helping us to communicate with each other. The chapter also explains how sound produces, how it travels, how we hear the sound, why some sounds are louder.
Other important topics that are covered:
Chapter 14: Chemical Effects of Electric Current
This chapter explains that some liquids are good conductors of electricity and some are poor conductors of electricity. It also explains the topic of “chemical effects of electric current” and electroplating.
Other important topics that are covered:
| Chapter Related Topics | |
|---|---|
| Chemical Effects of Electric Current | Lemon Battery |
Chapter 15: Some Natural Phenomena
Students will come to know about the destructive natural phenomena i.e lighting and earthquakes in this chapter. It also explains the steps to minimize the destruction from these natural phenomena.
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| Lightning | Protection Against Earthquake | Plate Tectonics |
Chapter 16: Light
Light covers the key properties, impacts, and utilization of light and its subordinates. This chapter also gives information about regular reflection, diffused reflection, laws of reflection, etc.
Other important topics that are covered:
| Chapter Related Topics | ||
|---|---|---|
| White Light | Light Energy | Color of Sunlight |
Chapter 17: Stars and The Solar System
This chapter explains the celestial objects, such as the position of those objects, their structure, and centrality are portrayed in this chapter. This part also discusses the moon, periods of the moon its situation in the planetary system, and the surface of the moon.
Other important topics that are covered:
Chapter 18: Pollution of Air and Water
This chapter covers the solution for the unsafe wonder of pollution and how might one add to its decrease in the individual dimension. Air pollution, how does air gets polluted are some of the important topics discussed in this chapter.
- Air pollution
- Greenhouse effect
- Water pollution
- What is potable water and how is water purified?
Other important topics that are covered:
| Chapter Related Topics | |
|---|---|
| Causes & Effects of Water Pollution | Difference Between Air Pollution and Water Pollution |
Check out:
Comments