| A | B |
|---|
| matter | anything that has mass and takes up space |
| molecule | smallest part of a compound |
| compound | type of matter made of 2 or more elements |
| mass | amount of matter in a substance |
| volume | amount of space an object takes up |
| temperature | measure of the speed of particles in matter |
| solid matter | definite shape and volume |
| liquid matter | has a definite volume, but no definite shape |
| gas matter | has no definite shape or volume |
| mixture | combination of different materials that keep their properties |
| solution | substance mixtures that spread out and don’t settle |
| physical change | changing some properties of matter without forming new matter |
| chemical change | 1 or more types of matter change into other matter with different properties |
| metals | most elements are classified as... |
| protons, neutrons, electrons | parts of the inside of an atom |
| freezing point | when a liquid turns to a solid |
| melting point | when a solid turns to a liquid |
| the same temperature | the melting point and freezing point are... |
| examples of chemical changes | burning, photosynthesis, rusting |
| examples of physical change | melting, rolling, evaporation |
