1. Changes of state (Remembering)
 In groups of 4 or 5
 Materials:
 Ice cubes, a kettle, a jar with a metal lid, a worksheet for students .
 Procedure:
 Put some hot water in the jar. (The teacher does)
 Turn the metal lid upside down and place on top of the jar.
 Place three ice cubes inside of the lid.
 Write anything and everything you notice for the next ten minutes.
 After about five minutes, take the lid off and observe the underside.
Write your observations.
 Draw a diagram of the process and label: LIQUID, GAS, SOLID,
EVAPORATION, CONDENSATION and MELTING