Across
- 3. 2 or more different substances
- 5. change directly from gas to solid
- 7. ___ property seen when subst is changed
- 9. measure of how hot or cold an object is
- 15. associated with the motion of particles
- 16. does not have definite volume or shape
- 17. water vapor is converted to a liquid
- 19. combination of nitrogen & oxygen gases
- 21. energy of motion is ___
- 25. body temp <28.5 degrees Celsius
- 26. has a definite shape & volume
- 27. defined as the ability to do work
- 28. has a definite volume but not shape
Down
- 1. has mass and occupies space
- 2. separation of solid & liquid mixture
- 4. combination of copper and zinc
- 6. water molecules enter gas phase
- 8. body temp >41 degrees Celsius
- 10. change directly from solid to gas
- 11. ___ characteristics measured or observed
- 12. composes of one type of atom
- 13. composition is uniform in a ___ mixture
- 14. boiling point of water is 212 degrees ___
- 18. SI unit of energy & work
- 20. composition varies in a ____ mixture
- 22. composed of 2 or more elements
- 23. combination of helium & oxygen gases
- 24. energy determined by position of object