Changes in State By Mr. V. Calzada
Three States of Matter There are three states of matter. A solid has a definite shape and definite volume. A liquid has a definite volume but no definite shape. A gas does not have definite shape or volume Most matter exists in one or more states
Particles of Matter - Solid Particles in matter are in motion. In a solid, the particles are very close together and there is very space between them. The only thing the particles can do is vibrate in place. As a result, solids have (fixed) definite shape and volume.
Particles of Matter - Liquid Particles are not tightly packed in a liquid, as a result they move more freely. It can flow and take the shape of the container. Particles can move over each other. Liquids do not have definite shape but they do have definite volume.
Particles of Matter - Gas The particles in a gas are packed together the least. Particles move the fastest in this state. Particles take the shape of the container. Matter in a gas state does not have definite shape or definite volume.
Summary – States of Matter
Changes Between States of Matter
Melting and Boiling Points