OpenStax
Open Stax: What Is a Fluid?
From a chapter on Fluid Statics in a Physics textbook. This introductory section of the chapter covers the three common phases of matter, their physical properties, and how atoms are arranged in solids, liquids, and gases. Includes a...
Texas Education Agency
Texas Gateway: Ap Physics: Fluid Statics: What Is a Fluid?
By the end of this section, you will be able to state the common phases of matter; explain the physical characteristics of solids, liquids, and gases; and describe the arrangement of atoms in solids, liquids, and gases.