Oh, the choices!
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100
Which state of matter undergoes changes in volume most easily? a. liquid b. gas c. solid d. frozen
B. GAS
100
What is the state of matter in which particles are arranged in either a crystalline or an amorphous? A. Solid B. Liquid C. Gas D. Fluid
A. Solid
100
In _________ state of matter do the particles spread apart & fill all the space available to them?
Gas
100
Particles in a liquid move around JUST AS FREELY as particles in a solid.
False, MORE FREELY THAN
100
When a substance cools, it loses _________ energy to its surroundings.
THERMAL
200
According to Charles's Law, when the temperature of a gas at a constant pressure is increased, its ______________ a. mass increases b. volume decreases c. volume increases d. particles move more slowly
C. Volume increases
200
Pressure can be measured in units of _____ A. Newtons (N) B. Newtons per cubic centimeter (N/cm3) C. Newtons per centimeter (N/cm) D. Newtons per square meter (N/m2)
D. Newtons per square meter (N/m2)
200
When the temperature of a gas at constant volume decreases, its ___________________ . Pressure decreases.
Pressure decreases.
200
In AMORPHOUS solids, the particles are not arranged in a regular pattern.
TRUE
200
The common state of matter that does not have a definite shape or a definite volume is a _________
Gas.
300
What is the change from liquid to solid, or the reverse of melting called? A. Condensation B. Boiling C. Sublimation D. Freezing
D. Freezing
300
According to Boyle's Law, when the pressure of a gas increases at constant temperature, its volume _____ A. Decreases B. Increases C. Stays constant D. Increases then decreases
A. Decreases
300
A graph of Charles's law shows the relationship between ________________
Temperature & volume of a gas.
300
At its freezing temperature, the particles of a liquid are moving so slowly that they begin to form regular patterns.
TRUE
300
The specific temperature at which a pure solid changes to a liquid is its ___________ point.
Melting
400
An uncovered pot of boiling water 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 taken place? A. Condensation, then vaporization B. Vaporization, then condensation C. Freezing, then thawing D. Melting, then boiling
B. Vaporization, then condensation
400
The resistance of a liquid to flowing is its A. Pressure B. Temperature C. Viscosity D. Volume
C. Viscosity
400
Freezing point of water is the same as its ____________
Melting point.
400
Pieces of dry ice (solid carbon dioxide) become smaller through the process of CONDENSATION.
False, SUBLIMATION
400
Sugar, salt, & snow are examples of ___________ solids.
Crystalline
500
In cold climates, the amount of the snow on the ground may decrease even if the temperature stays below zero degrees Celsius. The process that best explains this is A. Evaporation B. Melting C. Sublimation D. Condensation
C. Sublimation
500
Particles of a liquid ______ A. Have no viscosity B. Decrease in volume with increasing temperature C. Are tightly packed together & stay in a fixed position D. Are free to move around one another but still touch
D. Are free to move around one another but still touch
500
A graph that shows that the pressure of a gas varies inversely with its volume under constant temperature demonstrates ________.
Boyle's Law
500
Water vapor is a colorless gas that is IMPOSSIBLE to see.
TRUE
500
According to Charles's Law, whenever the temperature of a gas at constant pressure decreases, the volume __________.
decreases.