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50 questions
When the temperature of matter increases the molecules...
speed up and move closer
speed up and move farther apart
slow down and move closer together
slow down and move farther apart
Holds its shape
Gas
Liquid
Solid
When the temperature of matter increases the molecules...
speed up and move closer
speed up and move farther apart
slow down and move closer together
slow down and move farther apart
When the temperature of matter decreases the molecules ...
speed up and move farther apart
speed up and move closer together
slow down and move farther apart
slow down and move closer together
Which state of matter has molecules that move around each other?
solid
liquid
gas
In which state do molecules have the least freedom of movement (solid)?
State A
State B
State C
None
What happens to molecules when they are heated?
They speed up and spread out
They slow down and compress
They stop moving
They move closer together and speed up
What happens when thermal energy is transferred out of substances?
The molecules move faster and farther apart
The molecules move slower and closer together
If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
one reaches a temperature of zero
they both have an equal temperature
one runs out of energy
When the temperature of a substance increases the molecules...
speed up and move closer
speed up and move farther apart
slow down and move closer together
slow down and move farther apart
Gas molecules have the ________ kinetic energy because they move the fastest.
least
most
In which phase of matter are the molecules farthest apart and moving fast?
solid
liquid
gas
phase changes
In which phase of matter are the molecules close together and vibrating just a little?
solid
liquid
gas
physical property
In which phase of matter are the molecules moving around each other and a bit further apart?
solid
liquid
gas
phase changes
Which state of matter is shown in this picture?
solid
liquid
gas
plasma
All changes in the state of matter of a substance requires the addition or subtraction of
vibration
water
permission
energy
Which state of matter is shown in this picture?
solid
liquid
gas
plasma
Which state of matter is shown in this picture?
solid
liquid
gas
plasma
If an object has molecules that are moving very quickly, the object 's temperature is probably _____.
cold
slow
big
hot
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