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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
Chart showing distrubtion of responses for Item SC065004
Students Responding Correctly
Group Correct Total Percent
Overall 1387 3555 39%
  6–8 857 2437 35%
  9–12 522 1096 48%
Primary Language

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