Physical and Chemical Changes Vocabulary

12345678910111213
Across
  1. 7. When a gas becomes a liquid
  2. 11. When a gas becomes a liquid
  3. 13. When a solid becomes a liquid
Down
  1. 1. The creation of a new ______ is a sign that a Chemical Reaction is taking place
  2. 2. Anything that has mass and takes up space
  3. 3. A _____ change cannot be reversed
  4. 4. When a solid becomes a gas
  5. 5. Particles in this state of matter slide around each other
  6. 6. Particles in this state of matter do not have a fixed volume
  7. 8. When a liquid becomes a gas
  8. 9. When a liquid becomes a solid
  9. 10. A _____ change that can be reversed
  10. 12. Particles in this state of matter are tightly packed