Original Project
Substances, Chemical Reactions, and Conservation of Matter
Many substances react chemically in predictable ways with other substances to form new substances with different…
Item SC065004: Burning a marshmallow is an example of a chemical reaction.
Which of the following is an example of a chemical reaction?
- A marshmallow turning black when heated over a fire
- A powder dissolving in water to make lemonade
- An ice cube melting into a puddle of water
- Salt crystals being crushed into a powder
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% |