Particles

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Across
  1. 2. Evaporation happens at the ..... of a liquid.
  2. 4. For a substance to change state, ... is needed.
  3. 7. The movement of gas particles is ...
  4. 8. The particles in a solid ....
  5. 9. In an exothermic reaction, the temperature ...
  6. 10. The temperature that a liquid turns into a gas.
  7. 12. Boiling happens .... the surface of the liquid.
  8. 17. The .... the temperature = the more energy particles have.
  9. 18. A reaction where heat is taken in.
  10. 19. The state change from a gas to a solid.
Down
  1. 1. A substance is ...., if all the particles are the same.
  2. 3. The state change from a liquid to a solid.
  3. 5. The state change from a solid to a gas.
  4. 6. The state change from a gas to a liquid.
  5. 11. An ... substances has a range of numbers for it's boiling point.
  6. 13. When a substance evaporates, the temperature of the remaining liquid .....
  7. 14. When setting up a bunsen burner, this goes on top of the bunsen, under the gauze.
  8. 15. This is made up of different types of particles.
  9. 16. A bunsen burner must be lit on .... flame.