Chemistry Sept. 24 & 25, 2015

•OBJECTIVE: Students will describe orally and in writing how physical changes are different from chemical changes.

•W.O.D. Repose-rest or sleep

•WARM-UP

1. Define physical change & chemical change.

2. EXPLAIN  by listing the series of steps involved in (a) boiling (b) condensation

Classwork

1.On page 42, copy the key questions in the left margin, leave space for your answers; read sections 2.2 (page 38) and section 2.3 (page 42) to find the answers. (15mins.)

2.Chemical changes and physical changes notes.

3.Separation of mixtures (a) filtration (b) distillation

4.Questions from screen on presentation