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6 science ch4

QuestionAnswer
The surface of water can act like a sort of skin due to a property of liquids called surface tension
Which state of matter undergoes changes in volume most easily? gas
According to Charles's law, when the temperature of a gas at constant pressure is increased, its volume increases
The change from liquid to solid, or the reverse of melting, is called freezing
An uncovered pot of soup is simmering on a stove, and there are water droplets on the wall above the back of the stove. What sequence can you infer has occurred? vaporization, then condensation
In cold climates, the amount of snow on the ground may decrease even if the temperature stays below zero degrees Celsius. The process that best explains this event is sublimation
The state of matter in which particles are arranged in either a crystalline or an amorphous form is solid
The greater the speed of gas particles in a container, the greater the pressure
Pressure can be measured in units of newtons per square meter
According to Boyle's law, when the pressure of a gas increases at constant temperature, its volume decreases
The resistance of a liquid to flowing is its viscosity
Particles of a liquid are free to move around one another but still touch
In which state of matter do the particles spread apart and fill all the space available to them? gas
The force of a gas's outward push divided by the area of the walls of the container is the gas's pressure
When the temperature of a gas at constant volume decreases, its pressure decreases
When an inflated balloon is exposed to cold air, the volume of the balloon decreases
A graph of Charles's law shows the relationship between temperature and volume of a gas
A graph that shows that the pressure of a gas varies inversely with its volume under constant temperature; demonstrates Boyle's law
During the process of sublimation, a solid turns directly into a gas
The freezing point of water is the same as its melting point
What is vaporization? a liquid becoming a gas
The opposite of vaporization is called condensation
A graph that shows that the volume of a gas is directly proportional to its temperature under constant pressure demonstrates Charles's law
A graph of Boyle's law shows the relationship between volume and pressure of a gas
In which state of matter are particles packed tightly together in fixed positions? solid
Particles in a liquid move around ____ freely as particles in a solid. more
In____ solids, the particles are not arranged in a regular pattern. amorphous
At its ___ temperature, the particles of a liquid are moving so slowly that they begin to form regular patterns. freezing
Pieces of dry ice (solid carbon dioxide) become smaller through the process of ___. sublimation
Water vapor is a colorless gas that is ___ to see. impossible
The state of matter in which particles are arranged in the least organized manner is the___ state. gas
When a substance cools, it loses ___ energy to its surroundings thermal
Sublimation is the change of a solid directly into a(n) ____ gas
A liquid's resistance to flowing is called ___ viscosity
____ occurs when a liquid changes to a gas below its surface as well as at the surface. boiling
The common state of matter that does not have a definite shape or a definite volume is a(n) ___ gas
The resistance of a liquid to flowing is called ___ viscosity
Salt, sugar, and snow are examples of ___ solids. crystline
According to Charles's law, whenever the temperature of a gas at constant pressure decreases, the volume___ decreases
A shrinking puddle is an example of___ , or vaporization that takes place only on the surface of a liquid. evaporation
_________ occurs when particles in a gas lose enough thermal energy to form a liquid. condensation
In a rigid container, when the speed of the gas molecules decreases, the ___ gas also decreases. pressure
The specific temperature at which a pure solid changes to a liquid is its ___ point melting
Created by: wheels4
 

 



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