Chandan Institute

Chandan Institute This is an educational page of Mathematics, Science, General Knowledge and enquiry forum for CBSE, ICSE - ISC, WBBSE & WBCHSE of classes 6 to 12 in Asansol

Class 8 ICSE Biology 4th Chapter | Ecosystems | Mind Map
23/08/2026

Class 8 ICSE Biology 4th Chapter | Ecosystems | Mind Map

23/08/2026

Class 8 ICSE Biology Chapter 4 | Ecosystems | Full Chapter Explanation | Complete ICSE 2026–27

Welcome to Chandan Institute (CI) — Classes 3 to 12 | CBSE • ICSE • DAV | Complete Learning & Exam Preparation.

In this detailed and exam-oriented video, we cover Class 8 ICSE Biology Chapter 4 – Ecosystems with simple explanations, real-life examples, diagrams, and important concepts. This full chapter lecture is specially designed for ICSE Session 2026–27 students preparing for school exams, unit tests, half-yearly examinations, annual examinations, Olympiads, and foundation-level science learning.

An ecosystem is the perfect balance between living and non-living components of nature. In this lesson, you will clearly understand how organisms interact with one another and with their environment. Every topic is explained step by step so that even beginners can master the chapter confidently.

📚 Topics Covered

What is an Ecosystem?

Biotic and Abiotic Components

Producers, Consumers & Decomposers

Food Chain and Food Web

Energy Flow in Nature

Ecological Pyramid

Habitat and Niche

Interdependence of Living Organisms

Natural and Artificial Ecosystems

Forest, Pond & Grassland Ecosystems

Importance of Biodiversity

Environmental Balance

Important Definitions

ICSE Important Questions & Answers

Complete Chapter Revision

🎯 Best For

Class 8 ICSE Biology

ICSE Board 2026–27

School Exam Preparation

One Shot Revision

Biology Full Chapter

Concept Building

Olympiad Foundation

This lecture follows the latest ICSE learning approach and focuses on conceptual understanding rather than memorization. By the end of this video, you will be able to solve textbook questions, understand diagrams, and answer application-based questions with confidence.

If this video helps you, Like 👍, Share 📤, Comment 💬, and Subscribe 🔔 to Chandan Institute (CI) for quality educational videos for Classes 3 to 12.

Class 8 ICSE Chemistry 4th Chapter | Atomic Structure | Mind Map
23/08/2026

Class 8 ICSE Chemistry 4th Chapter | Atomic Structure | Mind Map

23/08/2026

Class 8 Chemistry Chapter 4 | Atomic Structure | One Shot Revision | ICSE

Welcome to Chandan Institute (CI) — Classes 3 to 12 | CBSE • ICSE • DAV | Complete Learning & Exam Preparation.

In this detailed video, we explain Class 8 ICSE Chemistry Chapter 4 – Atomic Structure from the basics to the important exam-oriented concepts. This lecture is designed especially for ICSE Class 8 students who want a clear understanding of atomic structure and effective preparation for school examinations.

In this chapter, students explore the fascinating world inside an atom and learn how scientists understand the structure and composition of matter.

📚 Topics Covered

🔹 What is an Atom?
🔹 Structure of an Atom
🔹 Subatomic Particles
🔹 Protons, Neutrons and Electrons
🔹 Properties and Charges of Subatomic Particles
🔹 Atomic Nucleus
🔹 Electronic Structure
🔹 Distribution of Electrons
🔹 Atomic Number
🔹 Mass Number
🔹 Valency
🔹 Elements and Atoms
🔹 Important Definitions
🔹 Important Examples
🔹 Exam-Oriented Questions
🔹 Complete Chapter Revision

🎯 This Video Is Useful For

✅ ICSE Class 8 Chemistry students
✅ School examination preparation
✅ Unit and periodic tests
✅ Half-yearly examinations
✅ Annual examinations
✅ Chemistry concept revision
✅ One-shot chapter revision
✅ Students preparing for higher-level Science concepts

The concepts are explained in a simple, systematic and student-friendly manner, making this video useful for both students who are learning Atomic Structure for the first time and those who want a quick revision before their examination.

📌 If you find this lecture helpful, LIKE 👍, SHARE 📲 and SUBSCRIBE 🔔 to Chandan Institute (CI) for educational videos covering Classes 3 to 12 | CBSE • ICSE • DAV.

💬 Comment below with your questions and let us know which chapter you would like to study next.

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Shreyanjali Das (Class 8, DAV Public School, Asansol) won the Best Player of under 14 at State Level Kabaddi Competition...
19/08/2026

Shreyanjali Das (Class 8, DAV Public School, Asansol) won the Best Player of under 14 at State Level Kabaddi Competition of the West Bengal DAV schools'.

We extend our best wishes for her achievements and pray that she continues to move forward on life's path in this manner.

Best wishes from Chandan Institute

Class 8 NCERT Science 4th Chapter | Electricity: Magnetic & Heating Effects | Mind Map
18/08/2026

Class 8 NCERT Science 4th Chapter | Electricity: Magnetic & Heating Effects | Mind Map

18/08/2026

⚡ Class 8 NCERT Science Chapter 4 | Electricity: Magnetic & Heating Effects | Full Chapter Explanation | 2026–27

Welcome to Chandan Institute (CI) — Classes 3 to 12 | CBSE • ICSE • DAV | Complete Learning & Exam Preparation.

In this detailed and easy-to-understand lecture, you'll learn the complete Class 8 NCERT Science Chapter 4 – Electricity: Magnetic & Heating Effects with concepts, diagrams, real-life examples, and important exam questions. This video is designed according to the CBSE NCERT 2026–27 syllabus and is perfect for school exams, periodic tests, half-yearly, annual examinations, and Olympiad foundation.

📚 Topics Covered in This Chapter

Electric Current & Electric Circuit

Conductors and Insulators

Heating Effect of Electric Current

Electric Bulb & Filament

Fuse and MCB (Miniature Circuit Breaker)

Safety Rules While Using Electricity

Magnetic Effect of Electric Current

Electromagnet Explained

Construction & Working of an Electromagnet

Electric Bell Working Principle

Uses of Electromagnets in Daily Life

Important Definitions & Keywords

NCERT Exercise Solutions

Assertion–Reason & Competency-Based Questions

Complete Chapter Revision

🎯 Why Watch This Video?

This chapter is one of the most important chapters in Class 8 Science because it connects electricity with magnetism and explains how many everyday electrical devices work. Every topic is explained step by step in simple language with exam-oriented notes and practical examples.

👨‍🎓 Best For Students Of

Class 8 CBSE

NCERT Science

School Examinations

Periodic Tests

Half-Yearly Exams

Annual Exams

Olympiad & Foundation Preparation

🌟 About Chandan Institute (CI)

Chandan Institute (CI) provides quality education for Classes 3 to 12 across CBSE, ICSE & DAV with conceptual learning, detailed chapter explanations, revision classes, and exam preparation.

If this video helps you:

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🔔 Subscribe for More CBSE Science Videos

🔍 SEO Keywords Included

Class 8 NCERT Science Chapter 4, Electricity Magnetic and Heating Effects, Class 8 Science Electricity, Heating Effect of Electric Current, Magnetic Effect of Electric Current, Electromagnet Class 8, Electric Bell Class 8, Fuse and MCB, NCERT Science Full Chapter, CBSE Science 2026–27.

Class 8 DAV Science 16th Chapter | Electric Current & Its Chemical Effects | Mind Map
17/08/2026

Class 8 DAV Science 16th Chapter | Electric Current & Its Chemical Effects | Mind Map

17/08/2026

⚡Class 8 Science Chapter 16 | Electric Current & Chemical Effects | Full Explained

Welcome to Chandan Institute (CI) — Classes 3 to 12 | CBSE • ICSE • DAV | Complete Learning & Exam Preparation.

In this comprehensive video, we explain Class 8 DAV Science Chapter 16 – Electric Current & Its Chemical Effects in the simplest and most exam-oriented way. Whether you're preparing for your DAV school exams, periodic tests, half-yearly, annual exams, or Olympiad foundation, this lecture will help you master every important concept.

📚 Topics Covered in This Chapter

Introduction to Electric Current

Conductors and Insulators

Chemical Effects of Electric Current

Electrolytes and Conducting Liquids

Electrolysis Explained

Electrodes (Anode & Cathode)

Electroplating Process

Applications of Electroplating

Purification of Metals

Electrolysis of Water

Electrolytic Cell

Daily Life Applications

Important Definitions & Keywords

NCERT/DAV Important Questions

Complete Chapter Revision

🎯 Why This Video Is Helpful

This lecture is specially designed for Class 8 DAV Science students and follows an easy step-by-step teaching method with practical examples and exam-focused explanations. Every concept is explained from basic to advanced level so that students can score higher marks with confidence.

👨‍🎓 Best For

Class 8 DAV Students

DAV School Science Exams

Periodic Test Preparation

Half-Yearly & Annual Exams

One Shot Revision

Olympiad Foundation

Science Concept Building

If this video helps you, please support Chandan Institute (CI) by:

👍 Like the video

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Class 8 DAV Science Chapter 16, Electric Current and Its Chemical Effects, Electrolysis Class 8, Electroplating Class 8, Chemical Effects of Electric Current, DAV Science Full Chapter, Class 8 Science Revision, Science 2026–27, Electric Current Class 8, Electrodes, Electrolytic Cell, Conducting Liquids.



Class 8 DAV Science 2nd Chapter | Micro Organisms: Friends Or Foes | Mind Map
09/08/2026

Class 8 DAV Science 2nd Chapter | Micro Organisms: Friends Or Foes | Mind Map

Address

Mrityunjay Bhawan, Opposite/Parbati Residency, Near/Budha Petrol Pump, S. B. Gorai Road, Asansol/1
Asansol
713301

Opening Hours

Monday 4pm - 9:30pm
Tuesday 4pm - 9:30pm
Wednesday 4pm - 9:30pm
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Sunday 4pm - 9:30pm

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