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Secrest 2.1 and 2.2

vocab and lesson 1

QuestionAnswer
Matter that has a definite shape and volume? solid
Matter with a definite volume but no definite shape? liquid
A measurement of a liquids resistance to flow? viscosity
The uneven forces acting on the particles on the surface of a liquid? surface tension
Matter that has no definite shape or volume? gas
The gas state of a substance that is normally a solid or liquid at room temperature? vapor
Energy an object has due to its motion? kinetic energy
A measure of the average kinetic energy of all the particles in an object? temperature
The total potential and kinetic energies of an object? thermal energy
The change in state of a liquid into a gas? vaporization
Vaporization that occurs only at the surface of a liquid? evaporation
The change of state from a gas to a liquid? condensation
The change of state from a solid to a gas without going through the liquid state? sublimation
The change of state of a gas to a solid without going through the liquid state? depostion
Do particles move in a straight line until they collide with something in all states of matter? Yes, true
Is the speed and direction of the particles changed by collisions in all states of matter? Yes, true
The distance between the particles is so great there is little or no attraction between them? gas
Particles in the state of matter is close together and vibrate back and forth? solid
Opposite charges repel each other and create attractive forces between two particles? False
As particles increase speed, attractive forces get stronger? False
As particle force weakens, particle space increases? True
The attractive forces in a solid are strong? True
Strong forces between particles slow particle movement in a liquid with high surface tension? False
Cohesion is the attractive force between similar molecules? True
Gas has the weakest attractive forces between particles? True
The way freely- moving particles move? straight line
Oppositely charged particles attract each other? particle forces
Ways in which atoms, ions, or molecules move? particle motion
High-energy matter consisting of positively and negatively charged particles? plasma
What does density equal? Mass/volume
Created by: secreely2983
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