Particle Theory

3. ............. is the process in which heat loss causes a liquid to turn into a solid.
8. When the particles of a gas hit the sides of the container they give a little push. We call this ............. .
10. ............. is the process in which heat causes a solid to change directly into a gas.
11. Matter is made of ............. .
12. When heat is added to particles, they also gain ..............

1. The state which particles vibrate on the spot is ............. .
2. ............. is the process in which heat loss causes a gas to change into a liquid.
4. The movement of particles from a high concentration to a low concentration is termed ............. .
5. The ability of a substance to be squished is termed ............. .
6. The state which particles slide around each other is ..............
7. The state which has the greatest distance between particles is a ............. .
9. ............. is the increase in size of an object.