States of Matter

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Across
  1. 2. If you weigh a balloon then fill it with air and weigh it again, the weight will increase. This shows that air has _____ and takes up space
  2. 8. When a liquid is heated and turns into a gas
  3. 9. Gases tend to _____ the entire space of their container
  4. 10. When water is a gas, it is known as water v_______r
  5. 11. Particles have energy and are always doing what?
  6. 12. A state of matter where particles are close together and vibrating
  7. 13. Steam is ____ a gas state of water because it is visible
  8. 14. Adding heat makes particles gain what?
  9. 15. Oobleck (slime) acts as _______ a solid and a liquid
  10. 16. Solids have fixed shapes because the particles are held ___________
Down
  1. 1. Particles make up all _________
  2. 3. A state of matter in which particles move freely but remain close
  3. 4. When we heat something so that it turns from a solid to a liquid
  4. 5. A state of matter which can be compressed
  5. 6. If water has changed from a liquid state to a solid state, it has __________
  6. 7. You can see solid and liquid water, but water vapour is ___________