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

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Presentation transcript:

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

Gases - large distance between particles - fast moving particles

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

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

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

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

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

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

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

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

 A solid?  A liquid?  A gas?