CBSE Class 7 Science Notes Chapter 4: One of the key courses in class seven is science, which calls for pupils to pay close attention to every chapter. Students can learn about all the little and big aspects of heat, how it is conducted, the process of heat transmission, including radiation and convection, etc., by consulting the Class 7 Science Chapter 4 Notes.
Our Class 7 Science Chapter 4 Notes provide answers to some of the questions that students must answer at the end of the chapter. Students can choose to get the Class 7 Science Chapter 4 Notes PDF for free to revise the entire chapter.CBSE Class 7 Science Notes Chapter 4 PDF
We know that heat is the transfer of energy from a hotter object to a cooler object, like if a spoon is left in a bowl of hot soup, then the heat from the soup is transferred to the spoon and it becomes hot.
This transfer of heat can occur in different ways. They are:
This is the form of heat transfer where a medium like air or liquid is not required to transfer the heat energy. Example - Heat from the sun, a hot utensil becomes cool after some time by transfer of heat to surroundings this way.
All the hot bodies are capable of radiating heat.