Here's a breakdown of what happens:

* Energy Input: The solid needs to absorb enough energy, usually in the form of heat, to overcome the strong attractive forces holding its molecules together in a fixed, rigid structure.

* Phase Change: The molecules gain enough kinetic energy to break free from their solid state and transition directly into the gaseous state, bypassing the liquid phase entirely.

* Gas Formation: The molecules move rapidly and independently, filling the available space.

Examples of Sublimation:

* Dry Ice: Solid carbon dioxide sublimes at room temperature, turning directly into carbon dioxide gas. This is why dry ice is used for special effects like fog machines and in scientific experiments.

* Mothballs: These are made of naphthalene or paradichlorobenzene, which sublimate at room temperature, releasing a vapor that repels moths.

* Freeze-drying: This process involves freezing food and then subjecting it to a vacuum to remove water vapor, which sublimes from the ice crystals.

Factors Influencing Sublimation:

* Temperature: Higher temperatures increase the rate of sublimation.

* Pressure: Lower pressure makes sublimation more likely.

* Surface Area: A larger surface area of the solid allows for more rapid sublimation.

* Type of Solid: Some solids sublimate more readily than others due to the strength of the intermolecular forces holding them together.