Across
- 6. the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
- 11. changes affecting the form of a chemical substance, but not its chemical composition.
- 12. any property that is measurable, whose value describes a state of a physical system.
- 16. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- 17. the process of turning from liquid into vapor.
- 19. the degree of compactness a substance.
- 20. the temperature at which a liquid turns into a solid when cooled.
Down
- 1. any of a material's properties that becomes evident during, or after, a chemical reaction.
- 2. the temperature at which a liquid boils and turns to vapor.
- 3. a substance made by mixing other substances together.
- 4. the process of water vapor turning back into liquid water
- 5. occur when a substance combines with another to form a new substance, called chemical synthesis
- 7. the temperature at which a given solid will melt.
- 8. a book forming part of a work or series.
- 9. a coherent, typically large body of matter with no definite shape.
- 10. the feel, appearance, or consistency of a surface or substance.
- 13. a means of solving a problem or dealing with a difficult situation.
- 14. a piece of metal known to weigh a definite amount and used on scales to determine how heavy an object or quantity of a substance is.
- 15. an affair or situation under consideration; a topic.
- 18. an extremely small amount of a thing or quality.