Definitions of Sciences and Studies - Sorting Materials

Definitions of Sciences and Studies - Sorting Materials 
Classification : Method of grouping  things with similar properties is called Classification.
Viscous Liquids : Honey or tar flow very slowly.
Miscible Liquids : Liquids which mix with each other are called Miscible Liquids.
Immiscible Liquids : Liquids that do not  mix with each other are called Immiscible Liquids.
Density : The mass per unit volume of a substance is known as density.
Transparent : Light can pass through an object, it is known as Transparent.
Opaque : If no light can pass through, it is called Opaque.
Translucent : If light can pass through partially, it is called Translucent.
Matter : Anything that occupies space & mass.