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Conduction is how heat transfers through direct contact with objects that are touching Any time that two objects or substances touch, the
RADIATION – This is the only form of heat transfer that does not require contact between substances No contact is required because the energy is
Another way to transfer heat is by conduction, which does not involve any motion of a substance, but rather is a transfer of energy within a substance (or
Energy can be added or removed from a substance through a process called conduction • In conduction, faster-moving molecules contact slower-moving
tendency of that object to be on the receiving end of the heat transfer between the two neighboring objects that causes this heat too hot to touch
It makes a substance hotter In solids, heat passes from one point to another through conduction known as Fourier's law of heat conduction
Heat Transfer: The movement of heat from a warmer object to a colder one – when two substances at different temperatures are mixed together, heat flows from
Thermal energy can move from a warmer object to a colder object by a process called thermal conduction if the two substances physically touch each other
This is called heat transfer Conduction is how heat transfers through direct contact with objects that are Any time that two objects or substances touch, the
Heat Transfer: The movement of heat from a warmer object to a colder one – when two substances at different temperatures are mixed together, heat flows from the Energy of motion is called kinetic energy – when molecules are heated, their kinetic Forces of attraction between molecules are overcome, but the average
It makes a substance hotter In solids, heat passes from one point to another through conduction Figure 2 : Heat Transfer in water by convection factor K is the proportionality constant and is known coefficient thermal conductivity of the
The total internal energy of the molecules of a substance is called thermal energy The energy transferred between two substances because of a temperature Conduction is the transfer of heat directly through a material, or by actual contact
One method of transferring thermal energy is to heat a substance and then allow the substance This mechanism is called convection Smoke from a Two forces act: a gravitational force due to the earth-balloon interaction and a contact force through collisions between molecules in two adjacent layers Called buoyant
Name Date Class Key Concept Summaries Heat Transfer Chapter 13 Lesson of heat between two substances that are in direct contact is called conduction