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States of Matter Vocabulary Assessment

Name: ______________________
Unit 1 Vocabulary Assessment
Across
State of matter where particles are closely packed, constantly vibrating, and maintain a set shape
_____ Principle: Pressure applied to a fluid is transmitted throughout the fluid
______ change: a physical process in which a substance goes from one phase to another
When particles move fast enough to escape the attractive force of other particles; ex. evaporation & boiling
____ Principle: As the velocity of a fluid increases,the pressure exerted by the fluid decreases
The change from a solid to a gas without the liquid state
Phases of _____: the distinct forms in which matter can exist
When particles slow down and begin to form a liquid from a gas
____ Principle: The buoyant force on an object is equal to the weight of the fluid displaced by the object
the resistance by a fluid to flow
_______ energy: the energy stored in the bonds between particles in a substance
____ energy: the change from a solid to a gas without the liquid state
force exerted per unit area
_____ point: the temperature at which a solid begins to turn into a liquid
____ point: the temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid
Down
State of matter that has no fixed shape and no fixed volume
4th state of matter; matter consisting of positively and negatively charged particles
Heat of ______ : the amount of energy needed to change a substance from a solid to a liquid at its melting point
Heat of ______: the amount of energy needed for the liquid at its boiling point to become a gas
When particles at the surface of a liquid have enough kinetic energy to escape the attractive forces of the liquid
the ability of a fluid to exert an upward force on an object that is placed in the fluid
_____ point: the temperature at which a solid begins to turn into a liquid
______ energy: the total energy of the particles in a material
State of matter that can flow, takes the shape of its container and has a set volume
The ability to cause change; measured in joules