Matter Vocabulary OW Word Scramble
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| Term | Definition |
| matter | material that takes up space and has mass |
| mass | the amount of matter in an object |
| volume | the size of an object |
| law of conservation of matter | scientific law that states that matter cannot be created nor destroyed but can change states |
| physical change | a process that does not change the chemical make up in a substance |
| chemical change | a process that involves a change in the chemical make up of the substance |
| solid | has definite size (volume) and shape; particles are packed together tightly and movement is not fast |
| liquid | has a definite size (volume) but no definite shape; particles are more active and farther apart than a solid |
| gas | has no definite size (volume) or shape: particles are far apart and move very fast |
| plasma | the basic state of matter on the surface of the sun |
| condensation | a change from a gaseous to a liquid state, caused by a decrease in temperature |
| evaporation | a change from a liquid to a gaseous state, caused when a liquid is heated to its boiling point |
| freezing | a change from a liquid to a solid state, caused when a substance reaches the freezing point |
| melting | a change from a solid to a liquid state, caused by an increase in temperature to the meting point of the substance |
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