DAV Class 8 Science Book Solutions Pdf – DAV Class 8 Science Solutions

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DAV Class 8 Science Book Solutions Pdf: Science The Living World Class 8 DAV Solutions is an extremely essential subject for the students who are in class 8. While preparing for exams teachers will not be available at us, so at that time, you can look into our DAV Class 8 Science Solutions created by science subject teachers that clears your doubts instantly without searching on any other site.

Look into the article, as we have provided you with chapter-wise Class 8 DAV Science Solutions which help you understand concepts in a much better way.

DAV Public School Class 8 Science Book Solutions – Class 8 DAV Science Solutions

If you are a DAV student, DAV Science Book Class 8 Solutions of The Living World Class 8 DAV Pdf Download will be a very useful tool to prepare for your exams well and helps you to score full marks.

Our DAV Science Class 8 Solutions that are provided below help you to prepare well for your exams with easy understanding. And in that worksheets, you can see MCQs, questions and answers, formulas, and many more. Even with the living world book questions you can prepare notes.

DAV Science Book Class 8 Solutions

Here we are going to provide you with a chapter-wise DAV Class 8 Science Solution. Just click on the below links on the chapter you like and start preparing.

Also, Check:

DAV Class 8 Science Question Answer

DAV Class 8 Science Syllabus 2023-24

When you are preparing for the class 8 science exam that was conducted by DAV, below you can look at the concepts of the syllabus along with weightage for every chapter, exam instructions, and many more provided. It will help you to plan and read accordingly.

General Instructions:

  • The entire syllabus has to be covered in two terms.
  • Each term will comprise 100 marks wherein the written exam will be 80 marks and the internal Assessment will be 20 marks.

Guidelines for Internal Assessment (20 Marks)

It is suggested that, in each term, the internal assessment may be carried out as follows:

Tools of Internal Assessment Total Weightage Marks out of 20
1. Class Assignments/Home Assignments 25% 5 Marks
2. Average of Unit Tests, Written Tests, or Class Tests 50% 10 Marks
3. Subject Enrichment 25% 5 Marks

Term – I

For Term I, a total of 80 marks will be assigned to the written exam, which will be further sub-divided as follows:

Physics 29 Marks
Chemistry 26 Marks
Biology 25 Marks
Total Marks 80 Marks

The paper will include subject-related value-based questions for 3 marks.
Information given under the headings ‘Do you know’ and ‘Fact Sheets’, ‘Case Study’ and ‘Something to do’ at the end of the chapter would not be evaluated in either of the two terms.

DAV Class 8 Science Solutions – Detailed Syllabus

For the first term, the details of the syllabus contents, number of periods and marks assigned to each unit, (for each of the three components (Physics, Chemistry, and Biology) of the Syllabus, are given below:

Name of the Chapters No. of Periods Total Marks
Physics
Chapter 4 Force and Pressure 10 8
Chapter 5 Friction 9 7
Chapter 16 Electric Current and Its Chemical Effects 13 9
Chapter 18 Earthquakes 5 5
Total 37 29
Chemistry
Chapter 6 Sources of Energy 10 10
Chapter 7 Combustion 13 10
Chapter 19 Pollution of Air 7 6
Total 30 26
Biology
Chapter 9 Crop Production and its Management 12 9
Chapter 2 Microorganism – Friends and Foes 13 9
Chapter 8 Conservation of Plants and Animals 10 7
Total 35 25

DAV Class 8 Science Question Answer – Term-I Physics

Chapter 4 Force & Pressure (8 Marks, 10 Periods)
Force, Effects of force, Factors associated with the magnitude of force needed, Balanced and unbalanced forces, Types of forces, Contact and noncontact forces, Pressure, Applications of the concept of pressure in daily life, Liquid pressure, Properties of liquid pressure, Atmospheric pressure, Variation in air pressure, Importance of atmospheric pressure, Force and pressure: concept map.

Learning Outcomes:
Students will be able to define, identify, and classify force and its types, and understand the concept of pressure and its applications.

Chapter 5 Friction (7 Marks, 9 Periods)
Concept of friction, Cause of friction, Factors affecting friction, Types of friction – static, Sliding, and Rolling, Friction – A necessity, Friction – An evil or nuisance, Increasing/Reducing friction, Fluid friction

Learning Outcomes:
The learners will be able to identify various types of friction, appreciate that friction is a necessity as well as a nuisance, and understand methods of increasing and decreasing friction.

Chapter 16 Electric Current and Its Chemical Effects (9 Marks, 13 Periods)
Conductors and Insulators, Conduction through liquids, Cause of conductivity of liquids, Electrolytes, Conversion of Chemical Energy into Electrical Energy, Chemical Effects of Electric Currents; their Applications, Faraday’s Discovery, Electromagnetic Induction.

Learning Outcomes:
The learners will be able to understand the concept of electrolytes, the cause of conductivity, and the chemical effects of electric current and its applications, and know about electromagnetic induction.

Chapter 18 Earthquakes (5 Marks, 5 Periods)
Earthquakes and their effects, Cause of an earthquake, The Focus, Predicting an earthquake, Measuring an earthquake, Protection against earthquakes; safety precautions

Learning Outcomes:
The learners will be able to understand earthquakes and their causes and effects, relate Richter scale readings with the intensity of the earthquake, and acquire skills in Disaster Management.

DAV Science Class 8 Solutions – Term-I Chemistry

Chapter 6 Sources of Energy (10 Marks, 10 Periods)
Classification of sources of energy: On the basis of occurrence, physical state & availability, Fossil Fuels, Wood as a fuel, Coal: occurrence, formation and types, Destructive Distillation and Its Products, Uses of coke, coal-tar and coal gas, Petroleum – Occurrence of petroleum, Drilling of oil wells, Refining of petroleum, Petroleum products and their uses, Natural gas – Uses of natural gas, Cleaner Fuels

Learning Outcomes:
The learners will be able to classify the sources of energy on the basis of their occurrence, physical state, and availability, understand what are fossil fuels, their occurrence in nature, and their processing, and apply the knowledge of different types of fuels to understand the importance of cleaner fuels and alternative sources of energy.

Chapter 7 Combustion (10 Marks, 13 Periods)
Conditions required for combustion, Types of combustion, Fire control, Incomplete Combustion, Flame, Fuel and calorific value, Characteristics of good fuel, Harmful effects of fuels

Learning Outcomes:
The learners will be able to understand the term combustion and the conditions required for combustion, differentiate between types of combustion and understand the consequences of incomplete combustion, know about various methods used to control fire, understand different zones of flame, and appreciate the properties of a good fuel.

Chapter 19 Pollution of Air (6 Marks, 7 Periods)
Pollution, Air pollution, Causes of air pollution, Harmful effects of carbon monoxide, nitrogen dioxide smog, chlorofluorocarbons (CFCs), Acid rain and its harmful effects, House Effect and Global Warming, Causes of increase in the concentration of greenhouse gases, Consequences of greenhouse effect, Global warming, and its consequences, Measures to check global warming, Methods to control air pollution

Learning Outcomes:
The learners will be able to understand air pollution and its causes, know about the harmful effects of major air pollutants, understand the phenomena of greenhouse effect and global warming; their causes and consequences, and know about different methods of controlling air pollution.

DAV Science Book Class 8 Solutions – Term-I Biology

Chapter 9 Crop Production and its Management (9 Marks, 12 Periods)
Food from plants, Agricultural practices, Preparation of Soil, Sowing, Soil Replenishment, Manuring, Irrigation, Traditional System of Irrigation, Modern System of Irrigation, Crop protection, Harvesting, Storage, Crop improvement

Learning Outcomes:
The learners will be able to understand the various agricultural practices and appreciate and analyze the methods of crop improvement and their protection.

Chapter 2 Microorganisms: Friends or Foes (9 Marks, 13 Periods)
Introduction, Types of microorganisms, Diagram of Paramoecium and Euglena, Viruses are unique, Where do microorganisms live? Role of microorganisms in our life, Microorganisms as our friends, Microorganisms – The foes, Food poisoning, Food preservation

Learning Outcomes:
The learners will be able to learn about the different types of microorganisms and their habitats, contrast the role of microorganisms as friends or foes, understand the concept of food preservation, and apply its techniques.

Chapter 8 Conservation of Plants and Animals (7 Marks, 10 Periods)
Domestic consequences of deforestation, Global consequences of deforestation, Conservation of forests and wildlife, Definition of ecosystem and species, Biosphere reserves (Map of biodiversity hotspots not to be evaluated), National Parks, Wildlife Sanctuaries, Flora and Fauna, Endemic Species, Red Data Book, Migration, Reforestation, Recycling of Paper.

Learning Outcomes:
The learners will be able to know deforestation and its consequences, understand the importance of migration and biodiversity, and ways to conserve it.

Suggested Projects for Term-I

Note: The list given here under is only suggestive in nature. The teachers/students can do other projects/activities similar to those suggested here.

  1. Group activities to be planned to show the effect of change in the area, on the pressure due to a given force, in our day-to-day life.
    • Provide dimensions of length, breadth, and height of a rectangular block placed on clay/sand and find the pressure exerted.
    • To prepare a scrap file/project report to show that an increase in area reduces pressure, and A decrease in area increases the pressure
  2. Use pictures/illustrations, and cartoons, to bring out the difference/s between Force and Pressure.
  3. Survey – To compare the consumption of electricity in different households.
  4. Project/Model – On techniques to save electricity.
    OR
    Prepare an energy audit and find out ways how it can be reduced.
  5. PPT/Report – On the map of the world, indicate the places where the Tsunami is more likely to occur. Try to find out the problems faced by people living in these regions. Take the help of newspaper clippings, the school library or internet sources.
  6. Collection of interesting facts or situations to create power PowerPoint presentation on methods to increase/decrease friction in day-to-day life, as well as the advantages/disadvantages of friction.

Suggested List of Experiments/Practicals for Term-I

  1. To show liquid pressure increases with depth.
  2. To show liquid pressure is transmitted equally in all directions.
  3. To show the force of friction increases with an increase in the weight of the body.
  4. To show vapours are present in the innermost zone of the candle flame.
  5. To show that the luminous zone of the candle flame contains unburnt particles of carbon.
  6. To differentiate between good and poor conductors from different liquid samples (like lemon juice, glycerine, etc.)
  7. To demonstrate electrolysis of water.
  8. Spotting of different microorganisms including Amoeba, Spirogya, Paramecium, and Bread mould (by using slides/Photographs).
  9. To observe atmospheric pressure using an air sucker.

Term-II

For Term II, a total of 80 marks will be assigned to the written exam. The distribution of marks will be as follows:

Physics 29 Marks
Chemistry 26 Marks
Biology 25 Marks
Total Marks 80 Marks

The paper will include subject-related value-based questions for 3 marks.

For the Second Term, the details of the syllabus contents, number of periods, and marks assigned to each unit for each of the three components (Physics, Chemistry, Biology) of the syllabus are given below.

Name of the Chapters No. of Periods Total Marks
Physics
Chapter 10 Refraction and Dispersion of Light 13 7
Chapter 11 The Human Eye 8 5
Chapter 12 Sound 13 6
Chapter 17 Stars and Solar System 9 4
Total 43 22 + (7) [From Term-I]
Chemistry
Chapter 3 Metals and Non-metals 15 9
Chapter 13 Synthetic Fibres and Plastics 10 7
Chapter 20 Pollution of Water 7 4
Total 32 20 + (6) [From Term-I]
Biology
Chapter 1 Cell – Its Structure and Functions 8 5
Chapter 14 Reproduction in Animals 11 7
Chapter 15 Reaching the Age of Adolescence 8 6
Total 27 18 + (7) [From Term-I]

Note:

  • Out of 80 marks; 60 marks (75%) paper will be from Term II and 20 marks (25%) will be from Term I.
  • The names of the chapter and their weightage will be announced later.

Class 8 DAV Science Solutions – Term-II Physics

Chapter 10 Refraction and Dispersion of Light (7 Marks, 13 Periods)
Refraction of Light, Refraction-its cause, Refractive index; optical density, Rules for refraction, Refraction of light by a glass slab, Dispersion of white light by a glass prism, Rainbow, Spherical lenses, Basic terms related to lenses, Image formation by convex and concave lenses, Application of lenses

Learning Outcomes
The learners will be able to understand the concept of refraction using various optical devices and their causes and draw and identify images formed by concave and convex lenses.

Chapter 11 The Human Eye (5 Marks, 8 Periods)
Structure of the human eye, Function of various parts of the human eye, How do we see colors?, Working of the human eye, Range of vision, Defects of vision, Care of Eyes, Visually challenged persons; help for them, Braille system

Learning Outcomes
The learners will be able to draw the structure and appreciate the function of the human eye, understand the various defects of vision and ways to take care of eyes, and be sensitized towards the resources available for the visually challenged.

Chapter 12 Sound (6 Marks, 13 Periods)
Sound and vibrations, Sounds produced by humans, Sound produced by animals, Propagation of sound, Light propagates faster than sound, Amplitude, time period and frequency of a vibration, Loudness and pitch of a sound, Audible and inaudible sounds, Noise and music, Noise pollution, sources and effects, limiting noise pollution, Hearing Impairment

Learning Outcomes
The learners will be able to know the mechanism of production of sound by humans and various animals, understand the structure of the ear and persistence of hearing, identify causes and effects of noise pollution, and ways to limit noise pollution.

Chapter 17 Stars and Solar System (4 Marks, 9 Periods)
Galaxy – Milky Way galaxy, Stars, Constellations, The moon – phases of the moon, the moon’s surface, The solar system, Sun, Planets, Terrestrial and Jovian planets, Minor bodies in the solar system, Artificial satellites and their applications.

Learning Outcomes
The learners will be able to understand various heavenly bodies like stars, planets, etc., and their characteristics, and appreciate the concept of artificial satellites and their applications.

DAV Class 8 Science Book Solutions Pdf – Term-II Chemistry

Chapter 3 Metals and Non-metals (9 Marks, 15 Periods)
Classification of elements, Occurrence of elements, Minerals and ores, Physical Properties, Chemical Properties, Reaction with oxygen, water, acids, and alkalies, Reactivity of metals, Displacement reactions, Noble Metals, Uses of metals and Non-metals, Alloy – Composition and uses of alloys

Learning Outcomes
The learners will be able to classify elements and learn about their occurrence in nature, understand the different physical properties of metals/non-metals and their applications based on these properties, and differentiate between the chemical behaviour of metals/non-metals towards air, water, and acids, relate displacement reaction of metals with reactivity series, comment upon noble metals and uses of metals, non-metals, and alloys.

Chapter 13 Synthetic Fibres and Plastics (7 Marks, 10 Periods)
Natural fibers and synthetic fibers, Rayon or Artificial Silk, Nylon, Terylene, Polyethene Tetraphthalate, and Acrylic fibers, Advantages and disadvantages of synthetic fibers, Plastics, Characteristics of synthetic plastics, Types of synthetic plastics, Thermosetting, Thermoplastics, Plastics, and the Environment, Damage caused by plastic waste, Measure to control the damage caused by plastic waste

Learning Outcomes
The learners will be able to understand what are synthetic fibers, know about different types of synthetic fibers and plastics and their properties, advantages, and disadvantages, differentiate between thermoplastics and thermosetting plastics, sensitize towards the damage caused by plastic waste and measures to control the damage.

Chapter 20 Pollution of Water (4 Marks, 7 Periods)
Water pollution, Causes of water pollution, Potable water, Purification of drinking water, Methods to make water safe for drinking, Treatment of major sources of water pollution, Treatment of sewage, Treatment of industrial waste, Conservation of water.

Learning Outcomes
The learners will be able to understand water pollution and its causes, know about ways of purifying water, appreciate control of water pollution, and sensitize towards water conservation.

DAV Public School Class 8 Science Book Solutions – Term-II Biology

Chapter 1 Cell – Its Structure and Function (5 Marks, 8 Periods)
Discovery of the Cell, The Cell-Variation in cell number, shape, and size in living organisms, Parts of the cell, Levels of organizations in an organism, Comparison between plant cell and Animal cell, labeled diagrams of the plant cell, animal cell, cheek cell, and onion peel cell.

Learning Outcomes
The learners will be able to comprehend and understand the basic unit of life, differentiate between plant cells and animal cells, and describe various cell-organelles and their functions in the cell.

Chapter 14 Reproduction in Animals (7 Marks, 11 Periods)
Definition of reproduction, Asexual reproduction, Sexual reproduction, Reproductive Patterns, Reproductive Systems, Fertilization, development of the embryo, How do hens lay eggs? Viviparous and oviparous animals, Journey of young ones to adults (frogs), Diagrams of binary fission in Amoeba, Multiple fission in Plasmodium, Budding in Hydra and yeast, Male and Female reproductive systems and Human Sperm.

Learning Outcomes
The learners will be able to learn the various modes of reproduction in animals and differentiate between male and female reproductive systems, oviparous and viviparous animals.

Chapter 15 Reaching the Age of Adolescence (6 Marks, 8 Periods)
Adolescence and Puberty, Changes at puberty, Sexual development, Development of sex organs, Development of Secondary sexual characters, Change in hormonal balance, the reproductive phase in human beings, Determination of sex of the child, The Endocrine System, Role of Hormones in completing the life cycle of insects and frogs, Reproductive Health, Nutritional needs of adolescents, Personal Hygiene, Physical Exercise, Say ‘no’ to drugs.

Learning Outcomes
The learners will be able to analyze the problems of adolescence, understand the emotional, and physiological changes that take place during adolescence, and know the importance of hormones in the life cycle of different organisms.

Suggested Projects for Term II
Note: The list given here under is only suggestive in nature. The teachers/students can do other projects/ activities similar to those suggested here.

  1. Model of the human eye using waste material.
  2. Survey of ‘ Defects of vision’.
  3. Make a scrap file on different types of musical instruments and observe/list their different characteristics.
  4. Powerpoint presentation on ‘Noise pollution’.
  5. Powerpoint presentation OR Model on celestial objects.

Suggested List of Experiments/Practicals for Term II

  1. To observe the refraction of light through a glass slab.
  2. To show metallic oxides are basic in nature.
  3. To show that non-metallic oxides are acidic in nature.
  4. To show that metals react with an acid to liberate hydrogen gas.
  5. To show displacement reactions.
  6. To identify plant and animal cells.
  7. To identify different modes of sexual reproduction.
  8. To observe the dispersion of light through a glass prism.
  9. To measure the focal length (approximately) of a convex lens.

FAQs on DAV Solution Class 8 Science

1. Can I score full marks using this DAV Class 8 Science Question Answer?

Yes, if you prepare our DAV Class 8 Science Book Solutions Pdf Download you can score full marks very easily.

2. What is the benefit that class 8 students get using this DAV Class 8th Science Solutions?

By using our DAV Class 8 Science Book Solution, you can easily complete the chapter, and it is very understandable as we have provided them in simple words.

3. Which Chapter has the highest weightage in this DAV class 8 science syllabus?

Sources of energy and combustion are the two chapters that have the highest weightage in this DAV class 8 Science syllabus.

Key Outcomes

We guarantee that DAV School Class 8 Science Book Solutions (the Living World) will be very much useful to score full marks in exams. By using our worksheets students will understand the concept better as we have provided you with diagrams.

Even if you are a teacher of DAV class 8 science, these DAV Solutions will be helpful for teaching practices.