States of Matter Vocabulary

A graph of pressure vs. temperature that shows which phase a substance exists in under different conditions of temperature and pressure.

• Phase diagram

• Temperature chart

• Pressure graph

• State of matter diagram

A hypothetical gas that perfectly fits all the assumptions of the kinetic-molecular theory.

• Real Gas

• Ideal Gas

• Non-Ideal Gas

• Perfect Gas

A defect or irregularity within a crystal that occurs at a point in the lattice structure; can influence crystal properties such as color.

• Point Defect

• Line Defect

• Surface Defect

• Volume Defect

Ability to be hammered into a thin sheet.

• Ductile

• Brittle

• Malleable

• Elastic

A measure of how much solute is dissolved in a specific amount of solvent.

• Concentration

• Dilution

• Solubility

• Saturation

Any substance that flows.

• Solid

• Gas

• Fluid

• Plasma

Solid whose atoms, ions, or molecules are arranged in an orderly, repeating, 3-D geometric structure (lattice).

• Amorphous solid

• Crystalline solid

• Polymeric solid

• Composite solid

Solvation in water.

• Hydration

• Dissolution

• Evaporation

• Condensation

Instruments built around a flexible sealed can or tube that bends or expands moving an indicator; used to measure fluid pressures in mechanical systems and pipes.

• Gauges

• Thermometers

• Manometers

• Barometers

Elements, such as carbon, that can exist in different forms at the same state of matter.

• Isotope

• Allotrope

• Molecule

• Compound