The process where a substance goes directly from a solid to a gas is called sublimation.

Here are some examples of substances that commonly undergo sublimation:

* Dry ice (solid carbon dioxide): This is a classic example. Dry ice sublimates at room temperature, creating a misty fog.

* Naphthalene (mothballs): They slowly evaporate over time.

* Iodine: Solid iodine crystals will gradually vaporize, producing a purple vapor.

* Camphor: A waxy substance that readily sublimates, releasing a distinctive aroma.

Let me know if you'd like to learn more about sublimation!