Question

which of the following happen during this change of state? select all that apply.
the substance melts and becomes a liquid.
the particles in the substance move far apart.
the particles in the substance break down and change into other particles.
images of solid and liquid particle arrangements are present

Explanation:

The image shows a phase change from solid to liquid (melting). During melting:

1. The solid substance absorbs heat and transitions into a liquid, so the first statement is correct.
2. In a solid, particles are tightly packed; when melting, particles gain energy, move more freely, and spread out (move far apart) compared to their solid state, so the second statement is correct.
3. Melting is a physical change, not a chemical change, so the particles themselves do not break down into other particles, making the third statement incorrect.

Answer:

• The substance melts and becomes a liquid.
• The particles in the substance move far apart.