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ch16
Question | Answer |
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Boiling Point | specific temperature when added thermal energy causes a substance to change from a liquid to a gaseous state |
Buoyancy | the upward force exerted on an object immersed in fluid |
Diffusion | the movement of one material through another material from an area of higher to lower concentration |
Heat of Fusion | amount of energy required to change a substance from the solid phase to the liquid phase |
Heat of Vaporization | amount of energy required for liquid particles to escape attractive forces and change to a gas |
Kinetic Theory | description of matter as being made up of tiny particles in random, constant motion |
Melting Point | temperature at which added thermal energy breaks bonds causing a change from a solid to a liquid state |
Pascal | the SI unit of pressure; one newton per square meter |
Plasma | gas-like state of matter made up of positively charged ions or negatively charged electrons or a mixture of them |
Pressure | force applied per unit area |
Thermal Expansion | the increase in length or volume of a material when heated |
Viscosity | a measure of the resistance of a liquid to flow |