Question

• one bar of milk chocolate
• one bar of dark chocolate
• a stove
• a pot
• water
• milk

using only these supplies, which two questions can cindy investigate with an experiment?
does milk chocolate or dark chocolate melt faster when left on the counter?
does milk chocolate melt faster when heated in a microwave or on a stove?
does dark chocolate or white chocolate melt faster when heated on the stove?
does milk chocolate or dark chocolate melt faster when heated on the stove?

Explanation:

• For "Does milk chocolate or dark chocolate melt faster when left on the counter?": The supplies include both milk and dark chocolate, and leaving them on the counter (a normal environment) can be done with the given materials (no extra equipment needed beyond the chocolate bars).
• For "Does milk chocolate or dark chocolate melt faster when heated on the stove?": The supplies include a stove, pot, water, milk, and both chocolate bars. Heating on the stove can be set up (e.g., using a double - boiler with the pot, water, and stove) to test the melting of milk and dark chocolate, and all necessary materials are available.

The other two options are invalid: "Does milk chocolate melt faster when heated in a microwave or on a stove?" lacks a microwave in the supplies. "Does dark chocolate or white chocolate melt faster when heated on the stove?" lacks white chocolate in the supplies.

Answer:

1. Does milk chocolate or dark chocolate melt faster when left on the counter?
2. Does milk chocolate or dark chocolate melt faster when heated on the stove?