About the Book

Preface

We are pleased to present the revised edition of Core Science Lab Manual with Practical Skills for Class IX, thoroughly updated in accordance with the latest syllabus prescribed by the Central Board of Secondary Education (C.B.S.E.), New Delhi.

This manual aims to develop a scientific temper and hands-on skills through carefully designed experiments and activities. Every effort has been made to ensure clarity, accuracy, and ease of understanding, making this manual an effective tool for both learning and assessment.

Key features of this manual include:

• Aligned with the latest C.B.S.E. syllabus.

• Clear explanation of basic concepts before each experiment.

• List of required apparatus and chemicals for every activity.

• Step-by-step instructions to enable easy execution of experiments.

• Colourful, well-labelled diagrams for better visual understanding.

• Important Precautions and Sources of Error outlined at the end of each experiment.

• Detailed Observations and Calculations to aid in maintaining proper practical records.

• QR Codes linking to animated experiment videos, providing an interactive and engaging learning experience—ideal for practice and revision.

• Viva-Voce questions with answers included for each experiment to support oral assessment.

• Helpful Suggestions for Teachers for modifying experiments, where needed.

• Inclusion of Practical-Based Questions to promote application-based learning.

We hope students will make the best use of this manual while preparing their practical records and performing experiments. The skills developed through hands-on practice will inspire them to observe, explore, and innovate.

We welcome constructive feedback and suggestions for the further enhancement of this manual.

– Authors