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Solid
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Crystalline solid
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03 Solid,liq,gas

Solids Liquids and Gases - Chapter 3 Prentice Hall Science Explorer

QuestionAnswer
Solid A state of matter that has a definite shape and a definate volume. Vibrates in the container in a FIXED position.
Crystalline solid A solid thatis made up of crystals in which particles are arranged in a regular repeating pattern.
Amorphous solid A solid made up of particles that are not arranged in a regular pattern. Does not melt at a distinct temperature.
Liquid A state of matter that has no definate shape but has a definate volume. Particles move freely around eachother. Takes shape of lower part of contiainer.
Fluid A substance that can easily flow. Can be a gas or a liquid.
Surface tension The result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together. Causes water to make a round drop.
Viscosity A liquid's resistance to flowing.
Gas A state of matter with no definate shape or volume. Little gravitatonal attraction, high energy, takes shape of entire container.
Melting The change from the solid to the liquid state of matter. Endothermic physical change.
Melting Point The temperature at which a substance changes from a liquid to a solid. Both a solid and a liquid are present on a horizontal line where thermal energy changes but temperature remains the same.
Freezing The change from the liquid to the solid state of matter. Exothermic physical change.
Vaporization The change of state from a liquid to a gas. Can be boiling or evaporation.
Evaporation The process wich occurs when vaporization takes place only on the surface of a liquid.
Boiling The process which occurs when vaporization takes place inside a liquid as well as on the surface. B for BELOW.
Boiling point The temperature at which a substance changes from a liquid to a gas. Both a liquid and a gas state are present on a horizontal line.
Condensation The change from the gaseous to the liquid state of matter. An exothermic physical change.
Sublimation (poof). The change in state from a solid directly to a gas without passing through the liquid state. Dry Ice.
Pressure The force exerted on a surface devided by the total area over which the force is exerted. High heel has high ___ and snow shoe has low ____.
Boyle's law A principle that describes the relationship between the pressure and volume of a gas at constant temperature. CONCEPT NOT NAME IS TESTED.
Charles's law A principal that describes the relationship between the temperature and volume of a gas at constant pressure. CONCEPT NOT NAME IS TESTED.
Graph A diagram that shows how two variables are related.
Origin The (0,0) point on a line graph.
Directly proportional A term used to describethe relationship between two variables whose graph is a strait line passing through the point (0,0). If one goes up, the other goes up. If one goes down the other goes down.
Vary inversely A term used to describe the relationship between two variables whose graph forms a curve that slopes downward. IF one goes up the other goes down.
Dry Ice Name for frozen nitrogen gas. So solid changes directly to a gas without a liquid. Why? Because it is a frozen GAS.
universal gas law. (Pressure x Volume) divided Temperature before a change is equal to (Pressure x Volume divided by Temperature after the change.
Temperature Is the AVERAGE kinetic energy of a substance.
Thermal energy Is the TOTAL energy of all the particles.
Heat The transfer of thermal energy from a warmer object to a colder object is called ____.
Created by: aubiefan
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