CBSE Class 3 Science – Means of Communication

Chapter Overview

Communication helps people share information, thoughts, and feelings with each other. This chapter discusses the different means of communication used by people to stay connected, including traditional and modern methods.

Important Keywords

• Communication: The process of sharing information through speaking, writing, or other mediums.
• Letters: A written form of communication sent from one person to another.
• Telephones: A device used to communicate over long distances using voice.
• Radio: A communication medium that broadcasts information using sound waves.
• Television: A medium that uses both audio and visual content to communicate information.
• Internet: A global network allowing instant communication through emails, social media, and video calls.