Thermal Equilibrium

Front

What is thermal equilibrium?

Back

Thermal equilibrium is the state in which two objects in contact with each other do not exchange heat energy, meaning they are at the same temperature.

Front

If Object A is at 42 degrees and Object B is at 37 degrees, which direction does heat transfer occur?

Back

Heat transfers from Object A (42 degrees) to Object B (37 degrees).

Tags

NGSS.MS-PS1-4

Front

What happens to the net transfer of heat when two objects are at the same temperature?

Back

The net transfer of heat is zero when both objects have the same temperature.

Tags

NGSS.MS-PS1-4

Front

What type of heat transfer is responsible for the Gulf Stream current?

Back

Convection is the type of heat transfer responsible for the Gulf Stream current.

Tags

NGSS.MS-ESS2-6

Front

Define convection in the context of heat transfer.

Back

Convection is the process where a hot liquid or gas expands, becomes less dense, and rises, while cooler, denser liquid or gas sinks.

Tags

NGSS.MS-PS3-4

Front

How does the density of warm air compare to cold air?

Back

Warm air is less dense than cold air.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Tags

NGSS.MS-PS3-3

Front

What is radiation in terms of heat transfer?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as infrared radiation.

Front

What is the role of density in convection currents?

Back

Density differences drive convection currents; warm, less dense fluid rises while cooler, denser fluid sinks.

Front

What is the significance of temperature difference in heat transfer?

Back

A temperature difference between two objects is necessary for heat transfer to occur; heat flows from the hotter object to the cooler one.

Tags

NGSS.MS-PS1-4