States of Matter

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Across
  1. 2. A solid becomes a gas.
  2. 4. A gas becomes a solid.
  3. 7. The smallest unit of matter.
  4. 9. A change from one state of matter to another because of adding or removing heat/energy.
  5. 10. A state of matter that has a definite volume and shape.
  6. 11. A liquid becomes a solid.
  7. 13. The physical form in which a substance exists (solid, liquid, or gas).
  8. 14. A state of matter that has a definite volume and takes the shape of its container.
  9. 15. A solid becomes a liquid.
Down
  1. 1. Anything that has mass and takes up space.
  2. 3. The amount of space something takes up.
  3. 5. A state of matter that takes the volume and shape of its container.
  4. 6. A gas becomes a liquid.
  5. 8. The amount of matter in an object.
  6. 12. A group of atoms.
  7. 16. A liquid becomes a gas.