What is volume? How can you calculate the volume of a cube? What items or things can be measured by knowing the volume? Does volume only have to do with liquids? What are standard units?

How do dimensions change the volume of an object? Why does volume always have a cubed unit value? When you were missing one of the dimensions (length, width, height or bases), what did you have to do to find the answer? If the volume of one room is 210 inches cubed and the length is 5, the width is 6, what is the height? If one room has dimensions of l=4 in, w=3 in and h=2in, and the other has a base of 8 inches squared, and a height of 3 inches - which room should we choose to escape the dinosaur?