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What 3 things do you need to know about an object in order to calculate heat?
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How do you know how hot an object is?
Heat is a form of energy. The energy is tied to the molecules of the object. The faster the molecules in an object vibrate, the more heat energy it contains and therefore the more hotter it is. By measuring the amount of vibration in an objects molecules, you can calculate how hot it is.
Can cold energy be transferred to an object?
no, cold energy cannot be transferred into an object because you need heat in order to form an object for the celcuims
In order for heat to be transferred by conduction which of the following must occur A cold object must be heated with hot air. A hot object must be directly touching a cold object. The Sun must heat t?
A hot object must be directly touching a cold object.
Do all things radiate?
Yes, all objects radiate some heat BUT the hotter the object, the more heat it radiates!! radiation its self is not hot but when it is absorbed by an object its particles in the object move more rapidly thus heating it
What is the formula used to calculate thermal energy changes?
Simply use conservation of energy. The change in an object's thermal energy is equal to any heat (thermal) energy that gets into the object, minus any heat energy that gets out of the object. If you have energy conversion, such as chemical reactions, you need to account for the increase or reduction of heat energy due to those reactions, as well.
How do ratdiation heat things?
heat radiation gives an object energy and it begins to vibrate (molecular level) which heats the object. Its like a person jumping around will heat up, works the same with particles in an object
What must occur to the heat energy of an object in order of a phase change of the state of matter?
heat is added
How do you know how hot an object is?
Heat is a form of energy. The energy is tied to the molecules of the object. The faster the molecules in an object vibrate, the more heat energy it contains and therefore the more hotter it is. By measuring the amount of vibration in an objects molecules, you can calculate how hot it is.
Can cold energy be transferred to an object?
no, cold energy cannot be transferred into an object because you need heat in order to form an object for the celcuims
In order for heat to be transferred by conduction which of the following must occur A cold object must be heated with hot air. A hot object must be directly touching a cold object. The Sun must heat t?
A hot object must be directly touching a cold object.
Do all things radiate?
Yes, all objects radiate some heat BUT the hotter the object, the more heat it radiates!! radiation its self is not hot but when it is absorbed by an object its particles in the object move more rapidly thus heating it
What does it mean when things are blue when using a thermal camera?
If an object appears blue on a thermal camera, the object does not have a significant heat source within it
What is the formula used to calculate thermal energy changes?
Simply use conservation of energy. The change in an object's thermal energy is equal to any heat (thermal) energy that gets into the object, minus any heat energy that gets out of the object. If you have energy conversion, such as chemical reactions, you need to account for the increase or reduction of heat energy due to those reactions, as well.
When an object falls and touches ground the kinetic energy transforms to which energy?
Heat, sound and more kinetic energy as things are moved by the impact of the object.
Does heat travel from a hot object or cold object?
heat travel from a hot object first then to cold object!
Heat is transferred from an object that has a thermal conductivity temperature to an object that has a?
Heat is transferred from an object that has a thermal conductivity temperature to another object through heat conduction.
What is the relasonship between heat and moving molecules in an object?
Heat is a measure of molecular motion. As things get hotter, the molecules that comprise that thing are moving faster.
