Surface area is the measure of total area of all the flat and curved surfaces of a 3-dimensional object.
Volume is the measure of amount of space that a 3-dimensional object occupies.
Practice Exercise for Surface Areas and Volumes: Conversion of solids
Learnhive Lesson on Surface Area and Volume
Learnhive Lesson on Frustum of a Cone
Learnhive Lesson on Surface Area and Volume of Combination of Solids