Why does hot air rise from pavement on a hot summer day?(1 point)
Responses
Due to insulation
Due to insulation
Due to radiation
Due to radiation
Due to conduction
Due to conduction
Due to convection
Due to convection
Due to convection
Which investigation shows the transfer of heat energy in the absence of matter?(1 point)
Responses
Using particle movement through a solid to investigate conduction
Using particle movement through a solid to investigate conduction
Using a current through fluid to investigate radiation
Using a current through fluid to investigate radiation
Using electromagnetic waves to investigate radiation
Using electromagnetic waves to investigate radiation
Using particles in space colliding to investigate conduction
Using particles in space colliding to investigate conduction
Using electromagnetic waves to investigate radiation
Simone has a mug of hot tea at a temperature of 90°C. She sets the mug on a counter in a room with an air temperature of 30°C. What is most likely to happen to the temperature of the hot tea?(1 point)
Responses
The air will transfer thermal energy into the tea, and the energy transfer will continue until the tea is at room temperature.
The air will transfer thermal energy into the tea, and the energy transfer will continue until the tea is at room temperature.
The hot tea will transfer thermal energy into the air, and the energy transfer will continue until the tea is at room temperature.
The hot tea will transfer thermal energy into the air, and the energy transfer will continue until the tea is at room temperature.
The hot tea will transfer thermal energy into the air and will continue to transfer energy until they are both 90°C.
The hot tea will transfer thermal energy into the air and will continue to transfer energy until they are both 90°C.
The air will transfer thermal energy into the tea and will continue to transfer energy until they are both 90°C.
The air will transfer thermal energy into the tea, and the energy transfer will continue until the tea is at room temperature.
Hot air rises from the pavement on a hot summer day due to convection.
The correct answer is "Due to convection."
When the sun shines on the pavement on a hot summer day, it heats up the surface. The pavement absorbs the sun's energy and transfers it to the layer of air directly above it. As the air gets heated, it becomes less dense and starts to rise. As this hot air rises, it creates a convection current, pulling more air from the surroundings towards the pavement. This cycle continues, leading to the rising of hot air from the pavement. This phenomenon is called convection.
To determine this answer, you can consider the different ways heat transfer occurs: insulation, radiation, conduction, and convection. Insulation and radiation are not the main reasons for hot air rising from the pavement. Conduction is the transfer of heat through direct contact, but in this case, the hot air is rising, which indicates the movement of air. Thus, the correct answer is convection, which explains the rising of hot air from the pavement on a hot summer day.