In the winter Vermonters make a tasty treat called "sugar on snow" in which they pour boiled-down maple syrup onto a scoop of clean fresh snow. As the syrup hits the snow, it forms a delicious taffy. Which of the following changes are involved in the making of sugar on snow?
A. Boiling down the maple syrup involves the evaporation of water.
B. As the maple syrup is boiled, the sugar within the syrup begins to caramelize, which is an example of a chemical change.
C. The syrup warms the snow causing it to melt, while the syrup becomes more viscous.
D. All of the above changes are involved in the making of sugar on snow.
Answer: D
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