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- https://phys.libretexts.org/Under_Construction/Purgatory/1%3A_Applying_Models_to_Thermal_Phenomena/1.4%3A_Energy-Interaction_ModelThe scientific meaning of energy is rather tricky to convey in a sentence or two. There is a good reason for this: energy is an abstract concept that took scientists a long time to figure out. Althoug...The scientific meaning of energy is rather tricky to convey in a sentence or two. There is a good reason for this: energy is an abstract concept that took scientists a long time to figure out. Although the concept of energy is truly universal in the sense that energy changes are associated with nearly all phenomena and processes, energy is not related to a single property of matter. For example, we all have an intuitive sense of “hotness” and we associate the concept of temperature.
- https://phys.libretexts.org/Courses/University_of_California_Davis/UCD%3A_Physics_7A_-_General_Physics/01%3A_Applying_Models_to_Thermal_Phenomena/1.03%3A_Energy-Interaction_ModelThe scientific meaning of energy is rather tricky to convey in a sentence or two. There is a good reason for this: energy is an abstract concept that took scientists a long time to figure out. Althoug...The scientific meaning of energy is rather tricky to convey in a sentence or two. There is a good reason for this: energy is an abstract concept that took scientists a long time to figure out. Although the concept of energy is truly universal in the sense that energy changes are associated with nearly all phenomena and processes, energy is not related to a single property of matter.
- https://phys.libretexts.org/Workbench/Physics_3A/01%3A_Applying_Models_to_Thermal_Phenomena/1.03%3A_Energy-Interaction_ModelWe introduce the Energy-Interaction Model, emphasizing energy conservation and energy as a universal, abstract concept. We discuss how changes—not absolute values—reflect interactions, with heat and w...We introduce the Energy-Interaction Model, emphasizing energy conservation and energy as a universal, abstract concept. We discuss how changes—not absolute values—reflect interactions, with heat and work as primary transfer forms. Through examples, we explain closed and open systems and time intervals in analysis. Concepts like specific heat, thermal energy, and bond energy describe changes in thermal and chemical processes, setting up a detailed atomic-level perspective in later chapters.
