Materials: 4 electric hot plates 4 - 600 ml beakers 4 - 300 ml beakers 4 hot pads 2 large dishes of ice and water (for quick cool) 4 - teaspoon measuring spoons 4 wooden spoons for stirring 2 small glass petri dishes (for quick cool) cocoa - only two groups add cocoa (3 teaspoons per group) salt (one pinch per group) sugar (300 ml per group) vanilla (one teaspoon per group) Procedure: This activity deals with rate of cooling and crystallization.
(This activity; deals; with rate of cooling and crystallization) Context(This activity deals,List([388, 407))):(only two groups; add; cocoa)
This activity deals,List([388, 407))
This activity only two groups
deals add
with rate of cooling and crystallization
cocoa