The freedom of movement of particles in a liquid allows liquids to ________ , taking on the shape of their container.Which of the following best explains how solids become liquids when heated. a. The particles of a solid can be pictured as spheres held closely together by strong mutual attractions. For one particle to move out of its place in a solid, all of the particles must be able to move. The organized structure collapses, and the solid becomes a liquid. b. All of these are true. c. Although the particles of both solids and liquids are restricted to moving within a small volume, the particles move faster in the liquid. d. None of the above.