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% | 

