Question

In which case would the kinetic energy of particles be increasing? (1 point)
Responses

Metal is melted at 1,300°C.
Metal is melted at 1,300°C.

Metal is heated from room temperature to 200°C.
Metal is heated from room temperature to 200°C.

Metal is at room temperature, 37°C.
Metal is at room temperature, 37°C.

Metal is cooled at 1,300°C

Answer 1

The kinetic energy of particles would be increasing in the case of:

**Metal is heated from room temperature to 200°C.**

Heating the metal increases the energy of the particles, which increases their kinetic energy.