2.1, 2.2, 2.3 States of Matter, Changes of State, Gas Behavior
Terms in this set (55)
Has a definite shape and definite volume, and packed together in one fixed position. They move a little, but not much.
Solids that are made up of crystals, and has a regular repeating pattern.
The particles are not arranged in a regular pattern, that can be melted.
Has a definite volume but no shape of its own.
A liquid is also called a ______ meaning "a substance that flows".
Is an inward force, or pull, among the molecules in a liquid that brings the molecules on the surface closer together. Like water on a waxed car.
Another characteristic property of liquids is ________, or a liquids resistance to flowing
Unlike a liquid, however, a ____ has neither a definite shape nor volume.
The _______ of the gas is the force of its outward push divided by the area of the walls of the container.
Describing a solid
Thus fixed, closely packed arrangement of particles in a solid causes it to have a definite shape and volume.
Describing a liquid
Because it's particles are free to move, a liquid has no definite shape. However, it does have a definite volume.
Describing a gas
As gas particles move, they spread apart, filling all the space available. Thus, a gas has neither definite shape not definite volume.
Example of High Viscosity
Example of Low Viscosity
Are particles in a solid very close together or far apart?
Are particles in a liquid kinda close together or far apart?
Are particles in a gas packed close together or far apart?
Pressure = Force/Area
Pressure is measured in units of _______
Examples of Crystalline Solids(does melt at specific temperature)
Examples of Amorphous Solids (does not melt at specific temperature)
Paper clip on water
Example of surface tension.
Which is a fluid, gas or liquid?
The change from solid to liquid.
In pure, crystalline solids, melting occurs at a specific temperature.
The change from liquid to a solid.
The change from liquid to gas.
Vaporization that takes place only on the surface of a liquid.
Vaporization that takes place both below and at the surface of a liquid.
The temperature at which a liquid boils.
The change from a gas to a liquid.
The change from solid to gas.
The change from gas to solid.
What temperature does water boil?
Particles vibrate and break free
What happens to the particles of a solid as it melts? (Ice melts)
What happens to the particles of a liquid as it vaporizers?
What happens to the particles of a solid as it sublimates?
What is the freezing point of water?
A puddle disappearing
Example of evaporation.
Example of sublimation.
Pressure up, volume up, is _______ law
Does gas travel fast or slow?
What is the constant in Charles law?
This relationship between the pressure (⬆️) and the volume (⬇️) of a gas.
True or false, rubber and glass, which become softer as they are heated, are examples of crystalline solids.
True or false, when you see steam, fog, or clouds, you are seeing water in the LIQUID state.
True or false, the VOLUME of a gas is the force of its outward push divided by the area of the walls of the container.
True or false, a(n) GAS has a definite volume but no definite shape.
True or false, a(n) FLUID has a definite shape and volume
Both sublimation and __________ occur only on the surface of the substance.
The ________ of melting is freezing
When butter is heated it melts, and when that melted butter cools and solidifies the process is called
When a gas turns to a liquid, the energy of the particles
Vaporization is the reverse of
Is melting and freezing a chemical or physical change
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