Podcast
Questions and Answers
What is necessary for conduction to occur?
What is necessary for conduction to occur?
- A fluid medium
- A vacuum
- A heat source
- Direct contact between substances (correct)
What happens to particles when a substance is heated?
What happens to particles when a substance is heated?
- They change state from solid to liquid
- They start moving in a circular motion
- They slow down and lose energy
- They gain energy and vibrate more (correct)
What type of materials are good at conducting heat?
What type of materials are good at conducting heat?
- Liquids
- Gases
- Metals (correct)
- Thermal insulators
How does conduction transfer energy?
How does conduction transfer energy?
What is the result of conduction in a substance?
What is the result of conduction in a substance?
What is the purpose of a thermal insulator?
What is the purpose of a thermal insulator?
What is the primary method of heat transfer that occurs in convection?
What is the primary method of heat transfer that occurs in convection?
What happens to the warm air above the land during the day in the formation of a sea breeze?
What happens to the warm air above the land during the day in the formation of a sea breeze?
What is an example of convection in everyday life?
What is an example of convection in everyday life?
What is formed during the night, when the land is cooler than the sea?
What is formed during the night, when the land is cooler than the sea?
What replaces the warm air that rises during convection?
What replaces the warm air that rises during convection?
What type of radiation is often associated with heat transfer?
What type of radiation is often associated with heat transfer?
What is the primary mechanism behind conduction?
What is the primary mechanism behind conduction?
What is not a characteristic of conduction?
What is not a characteristic of conduction?
Which of the following is an example of conduction?
Which of the following is an example of conduction?
What is the main difference between conduction and radiation?
What is the main difference between conduction and radiation?
Why is conduction more effective in solids than in gases?
Why is conduction more effective in solids than in gases?
What is a key advantage of conduction?
What is a key advantage of conduction?
