Is air a fluid Explain your answer For this lab can you assu
     Is air a fluid? Explain your answer.  For this lab. can you assume that air is incompressible? What does this mean, because you know that you CAN compress air? 
  
  Solution
Any substance that flows is considered a fluid. This includes such things as water, shampoo, sunscreen, and even honey. Although not necessarily obvious, even gases, such as air, can be classified as fluids.
Liquid is an incompressible fluid. A gaseous fluid such as air, on the other hand, can be either compressible or incompressible. Generally, for theoretical and experimental purposes, gases are assumed to be incompressible when they are moving at low speeds.

