States of Matter and their Changes

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Across
  1. 4. When particles are forced closer together, reducing the space they occupy.
  2. 6. Anything that has mass and takes up space.
  3. 7. The movement of particles in a liquid or gas that allows it to move smoothly and easily.
  4. 9. Vapour: The gaseous form of water, often found in the air as humidity.
  5. 10. The process by which a liquid turns into a gas at the surface, without boiling.
  6. 12. Point: The specific temperature at which a liquid changes into a gas.
  7. 13. To change from a liquid to a solid when the temperature drops.
  8. 14. of Matter: The forms that matter can take: solid, liquid, or gas.
  9. 16. To change from a gas to a liquid.
  10. 17. A prediction or educated guess that can be tested through experiments.
  11. 20. A scientific explanation that is based on evidence and observations.
  12. 22. The amount of space that an object or substance occupies.
  13. 24. The process by which a gas changes into a liquid when cooled.
Down
  1. 1. To move back and forth rapidly, as particles in a solid do.
  2. 2. A space entirely devoid of matter, including air.
  3. 3. To cause a liquid to flow from one container to another.
  4. 5. Characteristics that describe matter, such as color, density, or state.
  5. 8. Point: The specific temperature at which a solid turns into a liquid.
  6. 11. An imaginary line around which something rotates or is symmetrically arranged.
  7. 15. To change from a solid to a liquid when heated.
  8. 18. The smallest unit of a substance, which makes up all matter.
  9. 19. The gas that forms when water boils.
  10. 21. The process where a liquid turns into a gas when heated to its boiling point.
  11. 23. of State: The transformation of matter from one state (solid, liquid, gas) to another.