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18 Cards in this Set
- Front
- Back
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Kinetic energy
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Energy of motion
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Formula for Kinetic Energy
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KE=1/2mv2
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When do you have the most KE?
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The more you jumped/moved around
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Absolute Zero
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When matter stops moving
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Temperature
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The measure of the average kinetic energy of the particles in an object
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Thermal Energy
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The total kinetic energy of an objec
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When do you have the most thermal energy?
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When you have a high temperture and more substance
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Heat
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The transfer of energy between objects that are at different temperatures
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What are the 3 types of heat transfers?
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1. Conduction
2. Convection 3. Radiation |
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Conduction
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Transfer of energy through matter by the direct contact of particles
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Where does conduction best work in?
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Solids, especially metals
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Why are metals good conductors?
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Because electrons move easily and transfer KE to nearby particles
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Convection
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Transfer of thermal energy by the movement or circulation of a fluid
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Fluid
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Any material that flows
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What 2 forms can fluid be in?
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Liquid or gas
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Whats the difference between convection and conduction?
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Conduction involves collisions and transfers of energy
Convection involves movement of the entergetic particles from one location to the another |
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When can conduction and convection occur?
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When matter is present
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Radiation
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A heat transfer through space as electromagnetic waves
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