Class 8 Science

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About Class 8 Science Program

Edusaksham provides visual and interesting exercises to clarify complex ideas with regards to numerical issues. The concepts instructed in class eighth of CBSE are firmly related to the ideas showed later on in class ninth. Edusaksham class 8 course enables the focus to board tests and other further selection tests like Maths, Science Olympiads and NTSE without any difficulty. Top quality representation methods empower markable enthusiasm for Learning science.

Edusaksham platform connects youthful personalities and students in which a subject video addresses student enthusiasm towards the subject and Learning capacity of the student. In CBSE Class 8 for Maths and Science, more consistent models are utilized for explaining complex ideas making simple Learning. Reasonable learning helps students have an edge over others later on while planning for board tests. Edusaksham enables the parents to understand the effect of the classes and how they are profiting by the item.

Our Approach

Personalized Learnings

EduSaksham offers a completely personalized learning experience for every user. The system provides a unique learning experience for the user and helps them learn the concepts at their level. User can complete the lessons at his own pace and access it from anywhere on the go. Each user gets his own dashboard which helps track his performance and progress. User can access any lesson at any point of time based on his own learning needs. The system is designed in a way to support learning at every stage for every individual learner.

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Self-Paced Learning

EduSaksham provides self-paced learning courses. Users can learn the lessons at their own pace and are not left behind for any of the lessons. Each user on the platform has his own profile where content is presented to the user based on his choice. The user gets access to the entire content, and then the user can decide which lesson he wants to learn. If a learner is not able to understand the concept in one go, he has full control to playback the lessons. Moreover, the end-user may attempt any quiz multiple times until his concepts are clear.

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Modular Course Structure

The entire course structure is created in a modular structure for all the courses to enhance better learning for the students. Students learn one concept at a time. We have created smaller modules for the students so they can watch/read/practice the lessons as per their attention level. If a student wants to do more, then he can move on to the next experience quickly. Modular course structure also helps students identify their strengths and weaknesses per topics, which helps improve the overall performance of the students.

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Extensive Experimental Concepts

All our courses include a lot of experimental ideas to make students understand the topics very easily. We use our day to day life objects to draw parallels to the concepts and make students learn from our surrounding. Our science courses use a lot of experiments for the students to make the visualizations stronger for the ideas as visual memory helps them retain the concept for a more extended period. We innovatively bring our courses closer to the real-life so students can learn better with their daily objects.

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Advanced Analytics

EduSaksham offers advanced analytics and reporting to every student. Our analytics help students identify their strengths and weaknesses and help them work on them. Our in-depth analysis helps a student identify their mistakes, areas of concern, topic-level, proficiency level, etc. We provide a lot of analytics on time management for the assessments, questions, comparative analysis, among other students to help students understand their performance. It helps in remediate or accelerate their learning and achievement.

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Quick Exam Revision

EduSaksham has provided students with excellent smart exam revision modules that help students quickly cover essential points from the chapter and get prepared fast. It will help students revise any topic quickly and practice the questions topic-wise for the chapters. These modules cover all the salient points of the chapters in a quick summary video, mind map-based notes, and a variety of good questions. These offerings help students prepare better for the exams and increase their performance.

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Doubt Clarification

EduSaksham course modules provide access to any lessons at any point in time. In case a student faces any doubt in any of the content, he can share his queries with us over our forum. Our experts will get back to him within no time. We provide complete detailed explanations for all the questions so students can get their doubts clarified instantly. Each description also links the concepts used within the problem, so if a student feels to check the content, he can directly visit the content and get his doubt clarified.

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Discussion Forum

We offer a discussion forum for students to discuss their queries if they have any. Our experts revert to the student queries and help them resolve their doubts. Fellow students can also help each other to clarify their doubts. Discussion forum helps build student community where they can learn from each other. Forum creates a healthy learning environment among students. It also makes a repository of queries for the students to refer to any time in the future and get their doubts clarified on the runtime.

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Class 8 Science Subject

Science for Class 8

  • 180+ Worksheets
  • 1800+ Questions
  • 100+ notes of formulas and concepts
  • Detailed explanations with every question
  • Different difficulty levels for each test (Easy, Medium, and Hard)
See the Complete Details Enroll for Free


Through our e-learning course, we have made sincere attempts to build interest and hone the skills of every student towards Mathematics. Olympiad course is a continuation of our Math course which student can go through to cement its learning of every topic. We ensure to provide enough situations and scenarios through our practice questions for in-depth learning and thinking to begin from the formative years.

We provide worksheets to help students evaluate themselves and learn from their mistakes. Each question also comes with answers. These answers are intended to provide students with a clearer understanding of every concept in detail.

Students who have referred to our class 7 Maths course in the past have shown significant improvements in their overall marks as well as ease of understanding the concepts. Many of the users of this course have cleared the levels of Olympiad exam easily.



Through our e-learning course, we have made sincere attempts to build interest in the child towards Science. We are teaching the basics of all the topics and its applications in real life situations. We also ensure to provide enough situations and scenarios through our practice questions for in-depth learning and thinking to begin from the formative years. Every chapter of the subject has been meticulously designed by subject experts who have years of experience in the field of academics. We also provide worksheets to help students evaluate themselves and learn from their mistakes. Each question also comes with answers. These answers are intended to provide students with a clearer understanding of every concept in detail.


• Exhaustive practice tests
• Unlimited attempts
• Friendly self-indulging worksheets
• Progressive practice patterns
• Personalized Learning Dashboard
• Concept-wise Analytics
• Instant feedback mechanism
• All India comparison of progress


• Improved performance – With our scientifically designed content, you are bound to see significant improvements in your performance in Science.
• Attain the desired Learning – Get the desired learning outcome in 8th class Science with our exhaustive models for class 8 CBSE.
• Easy tracking of progress – We provide easy tracking facility to help you understand how you are progressing with every step in the course.
• Self-paced learning – Every individual has a different learning pace. Keeping that in mind, we have designed the course to be self-paced.
• Identify focus areas – You may be better in certain concepts than others. This course will facilitate you for a better understanding of the areas you need to focus more.
• Build strong foundations – With this course, we aim to help you understand every concept of the subject so that your foundation in Science is very strong. Solid foundation right from the formative years will help build your interest in the subject further.
• Simple parent’s supervision – Parents will be able to monitor their children’s performance easily with the features provided in the course.
• Quick re-learning – Even if you fail at solving problems, you will able to solve the problems again till you get it, thus allowing room for re-learning.


• Class 8 – Physics
• Class 8 – Chemistry
• Class 8 – Biology
• Class 8 – Exam Revision


  • Chapter 1 - Crop Production and Management
  • Chapter 2 - Microorganisms Friend and Foe
  • Chapter 3 - Synthetic fibre and plastics
  • Chapter 4 - Materials: Metals and non-metals
  • Chapter 5 - coal and petroleum
  • Chapter 6 - Combustion of flame
  • Chapter 7 - Conservation of Plants and Animals
  • Chapter 8 - Cell-Structure and Functions
  • Chapter 9 - Reproduction in Animals
  • Chapter 10 - Reaching the Age of Adolescence
  • Chapter 11 - Force and Pressure
  • Chapter 12 - Friction
  • Chapter 13 - Sound
  • Chapter 14 - Chemical effect of an electric current
  • Chapter 15 - Some natural phenomenon
  • Chapter 16 - Light
  • Chapter 17 - Stars and Solar System
  • Chapter 18 - Pollution of Air and Water


1.1 Introduction
1.2 Agriculture Practices
1.2.1 Kharif Crops
1.2.2 Rabbi Crops
1.3 Basic Practices of Crop Production
1.3.1 Agricultural Implements
1.4 Sowing
1.4.1 Selection of Seeds
1.4.2 Traditional Tools
1.4.3 Seed drill
1.5 Adding Manure and Fertilisers
1.6 Irrigation
1.6.1 Sources of irrigation
1.6.2 Traditional Methods of Irrigation
1.6.3 Modern Methods of Irrigation
1.7 Protection from Weeds
1.8 Harvesting
1.9 Storage
1.10 Food from Animals

2.1 Introduction to microorganisms
2.2 Microorganisms
2.3 Where do Microorganisms Live?
2.4 Microorganisms and Us
2.4.1 Friendly Microorganisms
2.4.2 Making of Curd and Bread
2.4.3 Commercial Use of Microorganisms
2.4.4 Medicinal Use of Microorganisms
2.4.5 Vaccine
2.4.6 Increasing Soil Fertility
2.4.7 Cleaning the Environment
2.5 Harmful Microorganisms
2.5.1 Disease— causing Microorganisms in Humans
2.5.2 Disease— causing Microorganisms in Animals
2.5.3 Disease— causing Microorganisms in Plants
2.5.4 Food Poisoning
2.6 Food Preservation
2.6.1 Chemical Method
2.6.2 Preservation by Common Salt
2.6.3 Preservation by Sugar
2.6.4 Preservation by Oil and Vinegar
2.6.5 Heat and Cold Treatments
2.6.6 Storage and Packing
2.7 Nitrogen Fixation
2.8 Nitrogen cycle

3.1 Introduction
3.2 What are Synthetic Fibres?
3.3 Types of Synthetic Fibres
3.3.1 Rayon
3.3.2 Nylon
3.3.3 Polyester and Acrylic
3.4 Characteristics of Synthetic Fibres
3.5 Plastics
3.6 Plastics as Materials of Choice
3.6.1 Plastic is non-reactive
3.6.2 Plastic is light, strong and durable
3.6.3 Plastics are poor conductors
3.7 Plastics and the Environment

4.1 Physical Properties of Metals and Non-metals
4.2 Chemical Properties of Metals and Non-metals
4.2.1 Reaction with Oxygen
4.2.2 Reaction with water
4.2.3 Reactions with Acids
4.2.4 Reactions with Bases
4.2.5 Displacement Reactions
4.3 Uses of Metals and Nonmetals

5.1 Introduction
5.1.1 Inexhaustible Natural Resources
5.1.2 Exhaustible Natural Resources
5.2 Coal
5.2.1 Coke
5.2.2 Coal tar
5.2.3 Coal gas
5.3 Petroleum
5.3.1 Refining of Petroleum
5.4 Natural Gas
5.5 Some Natural Resources are Limited

6.1 Introduction
6.2 What is Combustion?
6.3 How do We Control Fire?
6.4 Types of Combustion
6.5 Flame
6.6 Structure of a Flame
6.7 What is a Fuel?
6.8 Fuel Efficiency
6.8.1 Burning of Fuels Leads to Harmful Products

7.1 Deforestation and Its Causes
7.2 Consequences of Deforestation
7.3 Conservation of Forest and Wildlife
7.4 Biosphere Reserve
7.5 Flora and Fauna
7.6 Endemic Species
7.7 Wildlife Sanctuary
7.8 National Park
7.9 Red Data Book
7.10 Migration
7.11 Recycling of Paper
7.12 Reforestation

8.1 Discovery of the Cell
8.2 The Cell
8.3 Organisms show Variety in Cell Number, Shape and Size
8.3.1 Number of Cells
8.3.2 Shape of Cells
8.3.3 Size of Cells
8.4 Cell Structure and Function
8.5 Parts of the Cell
8.5.1 Cell Membrane
8.5.2 Cytoplasm
8.5.3 Nucleus
8.6 Comparison of Plant and Animal Cells

9.1 Modes of Reproduction
9.2 Sexual Reproduction
9.2.1 Male Reproductive Organs
9.2.2 Female Reproductive Organs
9.2.3 Fertilization
9.2.4 Development of Embryo
9.2.5 Viviparous and Oviparous Animals
9.2.6 Young Ones to Adults
9.3 Asexual Reproduction

10.1 Adolescence and Puberty
10.2 Changes at Puberty
10.2.1 Increase in Height
10.2.2 Change in Body Shape
10.2.3 Voice Change
10.2.4 Increased Activity of Sweat and Sebaceous Glands
10.2.5 Reaching Mental, Intellectual and Emotional Maturity
10.3 Secondary Sexual Characters
10.4 Role of Hormones in Initiating Reproductive Function
10.5 Reproductive Phase of Life in Humans
10.6 How is the Sex of the Baby Determined
10.7 Hormones other than Sex Hormones
10.8 Role of Hormones in completing the Life History of Insects and Frogs
10.9 Reproductive Health
10.9.1 Nutritional Needs of the Adolescents
10.9.2 Personal Hygiene
10.9.3 Physical exercise
10.9.4 Say “NO” to Drugs

11 Force and Pressure
11.1 Introduction
11.2 Force – A Push or a Pull
11.3 Forces are due to an Interaction
11.4 Exploring Forces
11.5 A Force can Change the State of Motion
11.6 Force can Change the Shape of an Object
11.7 Contact
11.7.1 Muscular Force
11.7.2 Friction
11.8 Non-contact Forces
11.8.1 Magnetic Force
11.8.2 Electrostatic Force
11.8.3 Gravitational Force
11.9 Pressure
11.10 Pressure exerted by Liquids and Gases
11.11 Atmospheric Pressure

12.1 Force of Friction
12.2 Factors affecting Friction
12.3 Friction : A Necessary Evil
12.4 Increasing and Reducing Friction
12.5 Wheels Reduce Friction
12.6 Fluid Friction

13.1 Introduction
13.2 Sound is Produced by a Vibrating Body
13.3 Sound Produced by Humans
13.4 We hear Sound through Our Ears
13.5 Loudness and Pitch
13.6 Amplitude, Time Period And Frequency Of A Vibration
13.7 Audible and Inaudible Sounds
13.8 Noise and Music
13.9 Noise Pollution
13.9.1 Measures to Limit Noise Pollution

14.1 Introduction
14.2 Do Liquids Conduct Electricity?
14.3 Chemical Effects of Electric Current
14.4 Electroplating

15.1 Introduction
15.2 Lightning
15.3 Charging by rubbing Types of Charges and their Interaction
15.4 Transfer of Charge
15.5 The Story of Lightning
15.6 Lightning Safety
15.6.1 Finding a safe place
15.6.2 Do’s and Don’ts during a Thunderstorm
15.7 Earthquakes
15.7.1 What is an Earthquake?
15.7.2 What Causes an Earthquake?
15.7.3 Protection against Earthquakes

16.1 What makes Things Visible
16.2 Laws of Reflection
16.3 Regular and Diffused Reflection
16.4 Reflected Light Can be Reflected Again
16.5 Multiple Images
16.5.1 Kaleidoscope
16.6 Sunlight — White or Coloured
16.7 What is inside Our Eyes?
16.8 Care of Eyes
16.9 Visually Challenged Persons Can Read and Write
16.10 What is a Braille System?

17.1 Introduction
17.2 The Moon
17.2.1 The Moon’s Surface
17.3 The Stars
17.4 Constellations
17.4.1 Ursa Major
17.4.2 Orion
17.4.3 Cassiopeia
17.5 The Solar System
17.5.1 The Sun
17.5.2 The Planets
17.5.3 Mercury (Budh)
17.5.4 Venus (Shukra)
17.5.5 The Earth
17.5.6 Mars (Mangal)
17.5.7 Jupiter (Brihaspati)
17.5.8 Saturn (Shani)
17.5.9 Uranus and Neptune
17.6 Some Other Members of the Solar System
17.6.1 Asteroids
17.6.2 Comets
17.6.3 Meteors and Meteorites
17.6.4 Artificial Satellites

18.1 Air Pollution
18.2 How does Air Get Polluted?
18.3 Case Study: The Taj Mahal
18.4 Greenhouse Effect
18.5 What can be Done?
18.6 Water Pollution
18.7 How does Water Get Polluted?
18.8 What is Potable Water and How is Water Purified?
18.9 What can be Done?

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