Particle Model of Matter

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Across
  1. 4. A very small unit of matter, such as an atom or molecule, that cannot be seen with the naked eye.
  2. 6. A word to descirbe when something moves in an unpredictable way.
  3. 7. The amount of matter in an object, measured in kg or g.
  4. 8. The amount of space an object takes up.
  5. 10. The measure of the degree of hotness or coldness of an object or a place.
  6. 12. The point where liquids begin to change into gas.
  7. 13. How crowded particles of one substance are within another substance.
  8. 15. A process where a substances particles spread evenly throughout a liquid.
  9. 17. Change of state from a gas to a liquid.
  10. 19. A substance that can flow and take the shape of its container, examples: gas, liquid.
Down
  1. 1. A piece of equipment used to measure temperature.
  2. 2. A material that does not dissolve in a liquid
  3. 3. The result of particles colliding with the walls of their container.
  4. 5. The point where a substances change from a liquid into a solid.
  5. 9. How much mass is packed into a volume.
  6. 11. A substance made of only one type of particle.
  7. 12. A type of motion, particles moving randomly within a fluid.
  8. 14. A state of matter where particles are widely spaced and move randomly. No fixed shape or volume.
  9. 16. A state of matter where particles are close together but can slide past each other, giving it a fixed volume but no fixed shape.
  10. 18. A state of matter with a fixed shape and volume, where particles are closely packed in fixed positions and can only vibrate.