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30 Cards in this Set

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  • Back
The smallest part of a COMPOUND that keeps the properties of that compound is a(n)
MOLECULE
The smallest part of a ELEMENT that keeps the properties of that element is a(n)
ATOM
What are the three states of matter?
SOLID, LIQUID, GAS
Describe the motion of particles in warm temperatures.
FASTER, MORE COLLISIONS with MORE FORCE/ENERGY
Describe the motion of particles in cool temperatures.
SLOWER, FEWER COLLISIONS with LESS FORCE/ENERGY
What is the solid state of water called?
ICE
What is the liquid state of water called?
WATER
What is the gas state of water called?
STEAM or VAPOR
Describe how molecules move in the solid state.
VIBRATE BUT DO NOT MOVE POSITION
Describe how molecules move in the liquid state.
VIBRATE FASTER THAN SOLIDS AND CAN SWITCH POSITIONS
Describe how molecules move in the gas state.
VIBRATE VERY FAST AND BOUNCE AROUND, SPREAD FAR APART
The measure of the average energy of a group of molecules is the
TEMPERATURE
If molecules are moving at a greater velocity then the temperature will be
HIGHER
What factor influences the change from one state to another?
TEMPERATURE
The temperature at which a substance changes from solid to liquid is the
MELTING POINT
The temperature at which a substance changes from liquid to gas is the
BOILING POINT
When a substance changes from liquid to gas it is called
EVAPORATION
When a substance changes from gas to liquid it is called
CONDENSATION
When a substance changes from solid to gas it is called
SUBLIMATION
Evaporation, Condensation or Sublimation? causes cooling as a liquid leaves the surface
EVAPORATION
Evaporation, Condensation or Sublimation? ice cubes shrink while still in the freezer
SUBLIMATION
Evaporation, Condensation or Sublimation? clouds
CONDENSATION
What two factors are used to predict when a substance will change states?
TEMPERATURE and PRESSURE
Which state of matter has a definite volume and shape?
SOLID
Which state of matter has a definite volume but no definite shape?
LIQUID
Which state of matter takes the shape of the container?
LIQUID and GAS
Which state of matter has no definite volume or shape?
GAS
What changes when a substances changes state?
MOVEMENT OF MOLECULES
What does not change when a substances changes state?
NUMBER OF MOLECULES, MASS
Which state of matter is not found on Earth?
PLASMA