States of Matter

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Across
  1. 2. Particles are _______ _________ when energy is removed. (two words, no spaces.)
  2. 5. The amount of space something takes up
  3. 7. when a gas is cooled into a liquid
  4. 9. The state of matter that cannot move freely, but moves by vibrating.
  5. 15. Small pieces of matter. atoms and molecules are examples of this.
  6. 17. Moving energy (two words, no space)\
  7. 18. when a solid turns into a liquid
  8. 21. The smallest unit of matter
  9. 23. Particles are _____ _______ when energy is added. (two words, no spaces)
Down
  1. 1. two or more atoms bonded together
  2. 3. Temperature of something when thermal energy is removed.
  3. 4. Temperature of something when thermal energy is added.
  4. 6. The amount of "stuff" in something (weight)
  5. 8. when a gas is cooled into a solid
  6. 10. The state of matter that has medium kinetic energy.
  7. 11. when a liquid is heated into a gas
  8. 12. The kinetic energy of particles
  9. 13. a gas that is used to fill up balloons
  10. 14. when a liquid is cooled into a solid
  11. 16. when a solid is heated into a gas
  12. 19. The state of matter with the most kinetic energy.
  13. 20. All physical things that have mass and volume
  14. 22. an important gas we need to breathe