SCIENCE VOCABULARY

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Across
  1. 1. The amount of matter in an object
  2. 4. change A transition from one state of matter to another
  3. 8. The ability of an object to float in a fluid
  4. 10. A state of matter with a definite volume but no definite shape
  5. 11. The amount of space an object occupies
  6. 16. A measure of the average kinetic energy of the particles in a substance
  7. 18. Anything that has mass and takes up space
  8. 19. A state of matter with a definite shape and volume
  9. 21. The process of changing from a gas to a liquid
  10. 22. The process of changing from a liquid to a gas
  11. 23. The force exerted per unit area
  12. 25. The ability to do work
Down
  1. 2. The attraction between molecules of different substances
  2. 3. bar chart A visual representation of the energy changes in a system
  3. 5. A tiny piece of matter
  4. 6. The process of changing from a solid to a liquid
  5. 7. A characteristic of a substance
  6. 9. The attraction between molecules of the same substance
  7. 12. model A model that represents matter as tiny particles
  8. 13. A combination of two or more substances that are not chemically combined
  9. 14. The amount of mass per unit volume of a substance
  10. 15. tension The tension of the surface film of a liquid caused by the attraction of the particles in the surface layer
  11. 17. The process of changing from a liquid to a solid
  12. 20. A state of matter with no definite shape or volume
  13. 24. A homogeneous mixture of two or more substances