Model of Matter

123456789101112131415161718
Across
  1. 5. The random, jittery motion of particles suspended in a fluid.
  2. 6. _______ mixture: A mixture in which substances are evenly distributed throughout the mixture.
  3. 7. Chemical _______: A characteristic of a pure substance that describes the ability to change into a different substance.
  4. 12. _______ mixture: A mixture in which pure substances are unevenly distributed throughout the mixture.
  5. 13. A measure of the average energy of motion of the particles in a substance.
  6. 15. The fourth state of matter.
  7. 16. Pure _______: A single kind of matter that is pure and has a specific set of properties.
  8. 18. A process in which gases move faster than liquids during the movement of substances.
Down
  1. 1. A pure substance made up of two or more elements chemically combined.
  2. 2. Liquids have a _______ volume.
  3. 3. A neutral particle made up of two or more atoms joined by a chemical bond.
  4. 4. Law of _______ of matter: The principle that states that the total amount of matter is neither created nor destroyed during any chemical or physical change.
  5. 8. Anything that has mass and occupies space.
  6. 9. Two or more substances that are mixed together but not chemically combined.
  7. 10. A well-mixed mixture containing a solvent and at least one solute that has the same properties throughout.
  8. 11. Chemical _______: A combination of symbols that represents the element in a compound and their proportion.
  9. 14. A pure substance that cannot be broken down into other substances by chemical or physical means.
  10. 17. The basic particle from which all elements are made.