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Properties of Matter

The Physical Properties of Matter

TermDefinition
Mass The amount of matter an object contains
Volume The amount of space something takes up.
Solid A state of matter that has a definite shape and definite volume. the particles of a solid are tightly packed.
Liquid A state of matter that has a definite volume but no definite shape. The particles of a liquid are closely packed and can slide past each other.
Gas A state of matter that has no definite shape and no definite volume. The particles of a gas move freely.
Melting A change of state from a solid to a liquid. energy is added.
Condensation The change in state from a gas to a liquid. energy is removed.
Evaporation The change in state from a liquid to a gas. energy is added.
Freezing The change in state from a liquid to a solid. energy is removed.
thermal energy the total kinetic energy (energy of motion) of the molecules in an object.
Conduction the transfer of thermal energy through direct contact. Ex: A frying pan on the burner of the stove.
Convection the transfer of thermal energy within a liquid or gas.
Radiation The transfer of thermal energy through electromagnetic waves.
Independent Variable In a scientific investigation, the factor that is deliberately manipulated (changed).
Dependent Variable In a scientific investigation, the factor that is measured or changes as a result of the independent variable.
Controlled Variable In a scientific investigation, the factors that must remain the same throughout the experiment.
Created by: llembke