Question

30 Points! please answer!

Bill and Mary wanted to have a snack after school. They heated some milk in a pot on the stove to make hot chocolate. They also popped some popcorn in the microwave oven. How did Bill and Mary transfer heat energy to make these snacks?

A) heating milk by conduction; popping popcorn by radiation
B) heating milk by radiation; popping popcorn by radiation
C) heating milk by convection; popping popcorn by conduction
D) heating milk by radiation; popping popcorn by convection

Answer 1

Answer:

the answer is A

Explanation:

A is the answer

Answer 2

Bill and Mary transfer heat energy to make these snacks via the following: heating milk by conduction; popping popcorn by radiation.

HEAT TRANSFER:

• Heat energy is transferred in three ways namely: radiation, conduction, convection.

• Conduction is the heat transfer that involves a solid medium while radiation does not involve any medium.

• According to this question, Bill and Mary wanted to have a snack after school. They heated some milk in a pot on the stove to make hot chocolate and popped some popcorn in the microwave oven.

• The heating of milk is by conduction because it involves solid medium (pot) while the heating of popcorn is by radiation.

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