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L1 vocabulary

QuestionAnswer
Closely packed particles cause matter to have a definite shape and definite volume. Solid
Particles form a regular repeating pattern called crystals. Example: salt, sugar, and snow. Crystalline solids
Particles not arranged in a repeating pattern. Example: Glass, plastic, and rubber. Amorphous solids
Particles are free to move so a liquid has a definite volume but no definite shape. Liquid
An inward force, or pull among the molecules in a liquid that brings the molecules on the surface closer together. Surface tension
A liquids’s resistance to flowing. Example: Honey has a high viscosity. Viscosity
Particles are able to move and spread out filling all space available, thus gases has no definite shape or definite volume. Gas
Gas particles constantly collide with one another and the walls of their container. Pressure is the outward push divided by the area of the walls of the container. Pressure= Force/Area. Pressure
The higher the temperature the faster particles moving. Temperature
When a solid changes to a liquid Melting
The temperature at which a substance melts. Melting point
When a liquid changes to a solid Freezing
The temperature when a substance freezes. Freezing point
When a liquid changes to a gas Vaporization
Takes place only on the surface of the liquid. Evaporation
When vaporization occurs both below the and at the surface. Boiling
Temperature at which a liquid boils. Boiling point
When a gas changes to a liquid. Condensation
When a substance changes straight from a solid to a gas. Sublimation
When the temperature of a gas at a constant pressure is increased the volume is increased, if the temperature is decreased then the volume is decreased. Charles’s Law
As one amount increases, another amount increases at the same rate. Directly proportional
When the pressure of a gas at a constant temperature is increased the volume is decreases, if the temperature is decreased then the volume is increases. Boyle's Law
When the value of one variable increases, the other decreases. Inversely proportional
Created by: user-1769298
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