EOG Review: Heat Transfer

Question

5 of 55 of 5 Items

Question
Priya is making a cup of instant hot chocolate. She puts the hot chocolate mix and hot water into a ceramic cup, stirs the mixture, and waits for it to cool a little, as shown in the picture.

A few minutes later, she notices the cup and the spoon have gotten hot. What made Priya's cup and spoon get hot?

Responses

Heat was conducted to the cup and spoon when the hot water molecules collided frequently with the cooler molecules in the cup and spoon and transferred heat.
Heat was conducted to the cup and spoon when the hot water molecules collided frequently with the cooler molecules in the cup and spoon and transferred heat.

Heat was conducted to the cup and spoon when the hot water molecules flowed in currents through the cooler molecules of the hot chocolate mix and transferred heat.
Heat was conducted to the cup and spoon when the hot water molecules flowed in currents through the cooler molecules of the hot chocolate mix and transferred heat.

Heat was convected to the cup and spoon when the hot water molecules radiated into the cooler molecules of the hot chocolate mix and transferred heat.
Heat was convected to the cup and spoon when the hot water molecules radiated into the cooler molecules of the hot chocolate mix and transferred heat.

Heat was convected to the cup and spoon when the hot water molecules moved through the cooler molecules in the surrounding air and transferred heat.

Answer 1

The correct response is: Heat was conducted to the cup and spoon when the hot water molecules collided frequently with the cooler molecules in the cup and spoon and transferred heat.