Which transformation represents light energy transforming into chemical energy? A. turning on an electrical lamp
B. turning on a stove to heat dinner
C. growing an apple tree from seed
D. making toast in an electric toaster

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.