PhySci+Tuesday,+November+25,+2008

=PhySci Tuesday, November 25, 2008=

**6.04** Measure and analyze the indicators of chemical change including: • Development of a gas. • Formation of a precipitate. • Release/absorption of energy (heat or light). > (Color change is sometimes an indicator of chemical change-sometimes physical-discuss examples.)
 * Observe a process and describe the indicator(s) of chemical change it exhibits.
 * Differentiate between exothermic and endothermic reactions.