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