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Question:
1. What is heat energy? How is heat energy different from light and sound energy.
Answer:
Heat is a type of energy that is transmitted between systems or things of various temperatures. Heat is a form of kinetic energy, Light is a form of electromagnetic energy, while Sound is a form of mechanical energy.
Question:
2. What are the three methods that heat moves or transfers? Give an example of each.
Answer:
Heat can be transferred in three ways: by conduction, by convection, and by radiation.
Example of Conduction-
Example of Convection-
Example of Radiation-
Question:
3. Why does heat always transfer from a warmer object to a cooler object?
Answer:
The kinetic energy of the atoms in hot objects is higher than that of the atoms in cold objects. To maintain thermal equilibrium, higher-kinetic-energy atoms try to move and collide with lower-kinetic-energy atoms.
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