What do the observations have in common?
 They all describe physical features of different candles. The words describe things like color, size, consistency, shape and weight.
What were the most unique observations?  
"cheese," "film," "tail," "hot," "smokey," "crayon," "swiss," "3/8," "aluminum."
What senses were used?
Sight, smell, and touch
What tools were used?
Sight, ruler, hands, nose,