Podcast
Questions and Answers
What is the effect of heating a substance?
What is the effect of heating a substance?
- The temperature decreases
- The substance gains energy (correct)
- The substance loses energy
- The temperature remains constant
How is temperature related to the speed of atoms/molecules?
How is temperature related to the speed of atoms/molecules?
- Lower temperature means slower atoms/molecules (correct)
- Higher temperature means slower atoms/molecules
- Temperature has no effect on atoms/molecules speed
- Temperature is unrelated to atomic speed
What happens when energy is transferred from a substance?
What happens when energy is transferred from a substance?
- The temperature increases
- The temperature decreases
- The substance loses energy (correct)
- The substance gains energy
Which statement best describes the relationship between heating and energy transfer?
Which statement best describes the relationship between heating and energy transfer?
What is the impact of faster moving atoms/molecules on temperature?
What is the impact of faster moving atoms/molecules on temperature?
How does cooling affect the speed of atoms/molecules?
How does cooling affect the speed of atoms/molecules?
What happens to the volume of a substance when it is cooled?
What happens to the volume of a substance when it is cooled?
In the context of gases, what do the longer arrows in a model represent?
In the context of gases, what do the longer arrows in a model represent?
What is the difference between evaporation and boiling?
What is the difference between evaporation and boiling?
What happens to the temperature of a liquid during the boiling process?
What happens to the temperature of a liquid during the boiling process?
How do gaseous particles travel according to the text?
How do gaseous particles travel according to the text?
What is the process called when molecules in the gaseous state slow down and become a liquid?
What is the process called when molecules in the gaseous state slow down and become a liquid?