3. Solids & Liquids - small distance between particles - slow moving particles

4. Gases - large distance between particles - fast moving particles

7.  If there are small distances between particles in a liquid, how can pepper sit on top of water?

8.  The water particles in the top layer attract one another to form a “water screen”

9. What happens when you touch the surface? The tension is broken

10. What will happen when this glass tube of mercury and beads is heated? liquid mercury vapourizes & these faster moving particles carry the beads up the tube Air Glass tube Beads Heat source Mercury

11.  What will happen to a pop can when heated then quickly cooled?

12. The hot air molecules move faster & out of the can The pressure inside the can is low, outside pressure is high, can crushes

13.  as the temperature increases, the motion of the particles increases.

14.  If the ball is placed inside the ring at room temperature?  If the ball is placed inside the ring after it has been heated?

15.  A solid?  A liquid?  A gas?