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Item SC065004: Burning a marshmallow is an example of a chemical reaction.

Which of the following is an example of a chemical reaction?

  1. A marshmallow turning black when heated over a fire
  2. A powder dissolving in water to make lemonade
  3. An ice cube melting into a puddle of water
  4. Salt crystals being crushed into a powder
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 3555
6–8
n = 2437
9–12
n = 1096
Male
n = 1669
Female
n = 1809
English
n = 3150
Other
n = 315
A. A marshmallow turning black when heated over a fire 39% 35% 48% 42% 36% 39% 37%
B. A powder dissolving in water to make lemonade 36% 39% 30% 34% 38% 37% 34%
C. An ice cube melting into a puddle of water 16% 17% 14% 16% 15% 16% 17%
D. Salt crystals being crushed into a powder 9% 9% 8% 7% 10% 9% 12%