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level: Temperature changes and energy

Questions and Answers List

level questions: Temperature changes and energy

QuestionAnswer
How do you change the State of a material?Adding or removing energy from a material can change its state - active process: e.g. boiling, people add energy - passive process: e.g. evaporation, liquid slowly absorbs energy from surroundings
Whats Sublimation?Material goes straight from solid to gas (without being liquid)
Whats internal energy?total amount of kinetic energy and potential energy of all the particles in the system.
Whats the Conservation of Energy?Assuming no energy is lost to the environment, any energy transferred to a material will be distributed between the chemical store and the thermal store of the internal energy