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Vocab 14
Term | Definition |
---|---|
matter | the material, or “stuff,” that everything is made of |
solid | a 2. solid – a state of matter in which the substance has a definite shape and a definite volume |
liquid | 3. liquid – a state of matter in which the substance has a definite volume but takes the shape of the container |
gas | 4. gas – a state of matter in which the substance takes both the shape and the volume of its container |
evaporation | the process of changing from liquid to gas |
condensation | the process of changing from a gas to a liquid |
physical properties | 7. physical properties – a property that can be observed, measured, or changed without changing the substance itself |
boiling point | 8. boiling point – the temperature at which a substance changes from a liquid to a gas |
melting point | 9. melting point – the temperature at which a substance changes from a solid to a liquid |
Freezing point | 10. freezing point – the temperature at which a substance changes from a liquid to a solid |
chemical change | – a change that produces a new substance |
physical change | 12. physical change – a change from one form to another form without turning into a new substance |