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8th Topic 4

8th Topic 4 Vocabulary

TermDefinition
Solid a state of matter that has a definite shape and a definite volume.
Liquid a state of matter that has no definite shape but has a definite volume
Surface tension the result of an inward pull among the molecules of a liquid that brings the molecule on the surface closer together, causing the surface to act as if it has a thin skin.
Viscosity a liquids resistance to flowing
Gas a state of matter that has no definite shape or volume.
Vibrate to move back and forth slowly
Thermal Energy the total kinetic and potential energy of all the particles of an object
Temperature the measure of the average kinetic energy of the particles in a substance; how hot or cold something is.
Melting Point the temperature at which a substance changes from a solid to a liquid
Freezing Point the temperature in which a liquid changes to a solid
Vaporization the change of state from a liquid to a gas
Boiling Point the temperature at which a liquid boils
Evaporation the process by which molecules at the surface of a liquid absorb enough energy to change to a gas
Condensation the change in state from a gas to a liquid
Sublimation the change in state from a solid directly to a gas without passing through the liquid state
Suspend to maintain a position off the ground, with unseen support
Pressure the force pushing on a surface divided by the area of that surface
Charles’s Law a principle that describes a relationship between the temperature and volume of a gas at a constant pressure
Boyle’s Law a principle that describes a relationship between the pressure and volume of a gas at a constant temperature
Proportional maintaining consistency between two variables; as one variable increases the other decreases; as one variable decreases the other increases.
Created by: tori.carmichael
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