Question

Why does the temperature of ice remain constant at 0°C during the melting process?

(1 point)
Responses

The thermal energy is used to break molecular bonds within the ice lattice itself
The thermal energy is used to break molecular bonds within the ice lattice itself

The thermal energy is released as heat
The thermal energy is released as heat

The thermal energy is converted into potential energy
The thermal energy is converted into potential energy

The thermal energy of the ice cools the water temperature down to a steady temperature.
The thermal energy of the ice cools the water temperature down to a steady temperature.
Question 2
What is the behavior of ice when thermal energy is applied?(1 point)
Responses

It evaporates
It evaporates

It melts
It melts

It turns into steam
It turns into steam

It remains solid
It remains solid

Answer 1

Q1: The thermal energy is used to break molecular bonds within the ice lattice itself.
(Added heat goes into the latent heat of fusion to break hydrogen bonds, so kinetic energy — and thus temperature — stays at 0°C until melting is complete.)

Q2: It melts.