Particles and mixtures

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Across
  1. 2. You will find this mixture at the beach
  2. 6. When you heat a substance, you increase the amount of this in the particles
  3. 7. Some of the particles are able to move more in these substances
  4. 9. increasing this increases gas pressure
  5. 10. Different types of particles, not chemically bonded
  6. 11. Decreasing this increases the gas pressure
  7. 12. When substances lose kinetic energy, going from gas to liquid
  8. 14. freezing, melting and evaporating are all examples of these
  9. 16. When a substance goes straight from solid to gas
  10. 17. Diffusion is used in the body to transport materials in and out of....
  11. 18. The forces of attraction are ..... when a substance is condensing
  12. 19. These have a fixed shape and a fixed volume
Down
  1. 1. This is the effect of gas particles bouncing off the walls of the container
  2. 3. The point at which diffusion will end as all particles are equally spread
  3. 4. substances made from only one type of particle or molecule
  4. 5. lots of particles in a volume
  5. 8. This is the same for pure substances of the same type, but mix it with another and it will change
  6. 13. The forces of ........ are the forces that hold particles together
  7. 15. The movement of particles from an area of high concentration to an area of low concentration