State of Matter

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Across
  1. 2. of Matter – The form that matter takes; solid, liquid, or gas.
  2. 4. – The change from solid to liquid.
  3. 10. – Gases can be squashed because their particles are far apart.
  4. 12. – The amount of matter in a substance.
  5. 14. – Needed to change state; added or removed to cause changes.
  6. 16. – A state where particles are close but can move past each other; has a fixed volume but takes the shape of its container.
  7. 17. – The change from gas to liquid.
  8. 19. – The change from gas directly to solid.
Down
  1. 1. – A tiny unit of matter; all substances are made of particles.
  2. 3. – The change from solid to gas without becoming liquid first.
  3. 5. – A state where particles are far apart and move freely; no fixed shape or volume.
  4. 6. – The amount of space a substance takes up.
  5. 7. – The change from liquid to gas at the surface.
  6. 8. – The spreading out of particles from an area of high to low concentration.
  7. 9. – The change from liquid to solid.
  8. 11. – The change from liquid to gas throughout the liquid.
  9. 13. – A state of matter where particles are tightly packed and vibrate in place; has a fixed shape and volume.
  10. 15. – How much mass is in a certain volume; related to how closely packed the particles are.
  11. 18. – A measure of how hot something is; affects particle movement.