10 Questions
What is the primary mechanism of heat transfer in a metal rod?
Conduction
Why are metals considered good conductors of heat?
Due to the presence of free-moving electrons
What happens to the density of water molecules when heated?
It decreases
What is the primary mechanism of heat transfer in a pot of water?
Convection
Why are radiators effective in heating houses?
Due to convection
What is the global conveyor belt characterized by?
Continuously circulating deep-ocean currents due to temperature and density
How does heat transfer occur through radiation?
Through electromagnetic waves
Why is it possible for heat from the sun to reach the planet?
Due to radiation
What is characteristic of good insulators?
They contain pockets of air in their structure
What is the primary reason why a wooden stick is considered a good insulator?
It inhibits the flow of heat
Explore how heat energy is transferred from a cup of hot cocoa to its surroundings and why the cocoa becomes colder after some time. Learn about the definition of heat energy and various types of heat energy transfer in this lesson.
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