The gallium in the image is melting in the person’s hand. Which changes will occur on a microscopic level?

All of the given responses are correct:

1. The gallium atoms will be moving faster on average.
2. The gallium atoms will gain potential energy, moving freely from each other.
3. The gallium atoms will increase in temperature.
4. The gallium atoms will gain kinetic energy.

Choose 1

The gallium atoms will gain kinetic energy.

Which object will have particles with the highest average kinetic energy?(1 point)

Responses

water at 40°C in a swimming pool
water at 40°C in a swimming pool

water at 37°C in a glass
water at 37°C in a glass

an iceberg at 0°C
an iceberg at 0°C

a drop of water at 90°C

A drop of water at 90°C

Thermal energy is transferred to a substance. Which change can occur?(1 point)

Responses

The kinetic and potential energy of the particles will stay the same.
The kinetic and potential energy of the particles will stay the same.

The particles will gain potential energy, but the kinetic energy of the particles will stay the same.
The particles will gain potential energy, but the kinetic energy of the particles will stay the same.

The particles can gain potential and kinetic energy.
The particles can gain potential and kinetic energy.

The particles can gain kinetic energy, but the potential energy of the particles will stay the same.
The particles can gain kinetic energy, but the potential energy of the particles will stay the same.

The particles can gain potential and kinetic energy.