We understand hot and cold by measuring the temperature of an object or substance.
NCERT Book Curiosity Science Class 6
Chapter 1 The Wonderful World of Science
NCERT Science Texbook Session 2024-2025.
How do we understand the concepts of hot and cold?
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We understand hot and cold by measuring the temperature of an object or substance. Temperature indicates how much heat energy is present, with higher temperatures feeling hot and lower temperatures feeling cold.