The change from liquid to solid, or the reverse of melting, is called
What is freezing
100
When an inflated balloon is exposed to cold air, this happens to the balloon's volume
What is volume decreases
100
Salt, sugar, and snow are examples of ____________________ solids.
What is crystalline
100
The temperature of a substance increases when the ____________________ energy of the substance increases.
What is thermal
200
In this state of matter are particles packed tightly together in fixed positions
What is solid
200
The freezing point of water is the same as this
What is melting point
200
During the process of sublimation, this happens
What is solid to gas
200
The resistance of a liquid to flowing is called ____________________.
What is viscosity
200
The characteristic temperature at which a pure solid changes to a liquid is its ____________________ point.
What is melting
300
The resistance of a liquid to flowing is this
What is viscosity
300
This is vaporization
What is liquid to gas
300
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 called this
What is sublimation
300
In a(n) ____________________, the particles are packed closely together, but they can move past each other freely.
What is liquid
300
A shrinking puddle is an example of ____________________, or vaporization that takes place only on the surface of a liquid.
What is evaporation
400
The surface of water can act like a sort of skin due to a property of liquids called this
What is surface tension
400
The opposite of vaporization is called this
What is condensation
400
Data plotted on a graph results in a line that slopes upward from left to right. This graph tells you this
What is when one variable increases, the other variable increases.
400
The common state of matter that does not have a definite shape or a definite volume is a(n) ____________________.
What is gas
400
____________________ occurs when particles in a gas lose enough thermal energy to form a liquid.
What is condensation
500
In this state of matter the particles spread apart and fill all the space available
What is gas
500
The amount of space that a gas takes up is this
What is volume
500
The state of matter in which particles are arranged in either a crystalline or an amorphous form is this
What is solid
500
When a substance cools, it loses ____________________ energy to its surroundings.
What is thermal
500
____________________ occurs when a liquid changes to a gas below its surface as well as at the surface.