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Heat and Temperature
Word definitions
Term | Definition |
---|---|
Fusion | Change from a solid to a liquid (melting) |
Solidification | Change from a liquid to a solid (freezing) |
Sublimation | A change in state when a gas changes directly to a solid or a solid changes directly to a gas |
Kelvin scale | A scale used for measuring temperatures in scientific experiments; on the Kelvin scale |
Celsius scale | The most common scale for measuring temperature |
Temperature | A relative measure of how hot or cold something is; the average kinetic energy of the particles in a substance |
Thermal energy | The energy generated by the movement or vibration of particles; the total kinetic energy of all the particles in a substance |
Evaporative cooling | A process in which the faster-moving particles on the surface of a liquid evaporate and escape into the air |
Radiation | The transfer of energy in the form of electromagnetic waves |
Thermal conduction | The direct transfer of thermal energy from one particle or object to another through contact or collision |
Convection | A process by which a warm fluid moves from place to place carrying thermal energy |
What is the boiling point of water at sea level (Celsius) | 100 degrees |
What is the freezing point of water (Celsius) | 0 degrees |
What is absolute zero (Kelvin) | 0K |
What is the freezing point of water (Kelvin) | 273.15K |
What is the boiling point of water (Kelvin) | 373.15K |
What is comfortable room temperature (Kelvin) | 298.15K |
What is comfortable room temperature (Celsius) | 25 degrees |
What is the average human body temperature (Kelvin) | 310.15K |
What is the average human body temperature (Celsius) | 37 degrees |
What is absolute zero (Celsius) | -273.15K |