Choose the one best answer to each multiple choice question. Write a short answer, using complete sentences, for each Short Answer question. Be sure you have answered every question. A fluid made of some material is usually more dense than a solid made from the same material.
Liquids are much more compressible than solids.
Gases and liquids are both classified as fluids. According to Pascal's Principle, the pressure in a fluid is the same everywhere. Gases have strong intermolecular forces acting, keeping the molecules close together. The atoms or molecules in a crystal are arranged in an ordered, periodic pattern. The molecules of a crystal are characterized by totally random thermal motion.