Podcast
Questions and Answers
What is the lowest possible temperature that a substance can reach?
What is the lowest possible temperature that a substance can reach?
- 32°F
- 273 K
- Absolute zero (correct)
- 0°C
Which scale has its zero point at the absolute zero of temperature?
Which scale has its zero point at the absolute zero of temperature?
- Kelvin scale (correct)
- Celsius scale
- Fahrenheit scale
- Rankine scale
What is the boiling point of water in Kelvin?
What is the boiling point of water in Kelvin?
- 212 K
- 100 K
- 373 K (correct)
- -273 K
Why do you feel cold when you touch ice?
Why do you feel cold when you touch ice?
In which state of matter do particles vibrate at a fixed point?
In which state of matter do particles vibrate at a fixed point?
What is heat?
What is heat?
What does thermal energy consist of?
What does thermal energy consist of?
When does heat transfer occur?
When does heat transfer occur?
Which factor determines the temperature of a system?
Which factor determines the temperature of a system?
When does a body transfer heat?
When does a body transfer heat?
What is the SI unit for measuring temperature?
What is the SI unit for measuring temperature?
How is thermal energy transferred when there is a temperature difference between two bodies?
How is thermal energy transferred when there is a temperature difference between two bodies?
What is the mode of heat transfer when hot air near the equator rises, producing winds?
What is the mode of heat transfer when hot air near the equator rises, producing winds?
Which mode of heat transfer does not require a medium for heat transfer to occur?
Which mode of heat transfer does not require a medium for heat transfer to occur?
When ice cools down your hand, what mode of heat transfer is occurring?
When ice cools down your hand, what mode of heat transfer is occurring?
What type of heat transfer involves the transfer of energy by particles of matter bumping into each other?
What type of heat transfer involves the transfer of energy by particles of matter bumping into each other?
Which process involves the transfer of energy by a mass of moving fluid?
Which process involves the transfer of energy by a mass of moving fluid?
