Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is heat flow?
What is heat flow?
- The transformation of energy into matter
- The movement of heat energy from one place to another (correct)
- The freezing of water at low temperatures
- The feeling of warmth when the sun shines
In which direction does heat flow spontaneously?
In which direction does heat flow spontaneously?
- From a hot place to a cold place (correct)
- It flows vertically
- It doesn't have a specific direction
- From a cold place to a hot place
What happens when two objects reach thermal equilibrium?
What happens when two objects reach thermal equilibrium?
- They explode due to excess heat
- They start absorbing more heat
- They stop exchanging heat and remain at the same temperature (correct)
- One object cools down while the other heats up
Which form of heat flow involves the transfer of energy through electromagnetic waves?
Which form of heat flow involves the transfer of energy through electromagnetic waves?
Signup and view all the answers
What is the unit used to measure heat?
What is the unit used to measure heat?
Signup and view all the answers
What is the process of heat flow in solids called?
What is the process of heat flow in solids called?
Signup and view all the answers
How does heat flow in fluids differ from heat flow in solids?
How does heat flow in fluids differ from heat flow in solids?
Signup and view all the answers
Why does a cork bob out of water when heated from below?
Why does a cork bob out of water when heated from below?
Signup and view all the answers
What is the main factor that causes heat transfer between molecules in solids during conduction?
What is the main factor that causes heat transfer between molecules in solids during conduction?
Signup and view all the answers
How does heat flow in fluids involve both energy and matter compared to heat flow in solids?
How does heat flow in fluids involve both energy and matter compared to heat flow in solids?
Signup and view all the answers
Flashcards are hidden until you start studying
