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sciencech5voc
| Question | Answer |
|---|---|
| Temperature | measure of the average kinetic energy of all the particles that make up an object |
| Thermal energy | the sum of the kinetic energy and the potential energy of all of the particles that make up that object |
| Heat | is energy that is transferred between objects due to a temperature difference between those objects |
| Specific heat | the amount of heat needed to raise the temperature of 1kg of that material by 1 degrees C |
| Conduction | is the transfer of thermal energy by collisions between the particles that make up matter |
| Convection | is the transfer of thermal energy in a fluid by the movements of warmer and cooler fluid |
| Radiation | is the transfer of energy by electromagnetic waves,such as light and microwaves |
| Thermal insulator | is a material through which thermal energy moves slowly |
| Solar collector | is a device that transforms radiant energy from the sun into thermal energy |
| Thermodynamics | is the study of the relationship between thermal energy, heat, and work |
| First law of thermodynamics | states that if the mechanical energy of a system is constant,the increase in thermal energy of that system equals the sum of the thermal energy transfers into that system and work done on that system |
| second law of thermodynamics | states that energy spontaneously spreads from regions of higher concentration to regions of lower concentration |
| Heat engine | is a device that converts some thermal energy into mechanical energy |
| Internal combustion engine | a heat engine that burns fuel inside a set of cylinders |
Created by:
amgrace