Answer :
At Point A, heat is transferred through conduction, which involves the direct transfer of heat energy between objects in contact. At Point B, heat is transferred through convection, where heat energy is carried by the movement of fluids.
Question 4: The heat transfer at Point A is conduction. Conduction is the transfer of heat energy from one object to another through direct contact. In the image, the heat energy from the sun is transferred to the ground through conduction.
Question 5: The heat transfer at Point B is convection. Convection is the transfer of heat energy through the movement of fluids. In the image, the warm air from the ground rises up and the cooler air from above sinks down. This movement of air creates a convection current that transfers heat energy from the ground to the atmosphere.
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