Fossils: Mold Fossil Model

The video tutorial demonstrates how to create a mold using plaster of Paris. It begins with gathering necessary materials, including a metal mold and food oil. The process involves painting the mold with oil, mixing plaster of Paris with water, and pouring it into the mold. After allowing it to solidify for a day, the mold is removed to reveal a detailed replica of the metal mold. The experiment illustrates how plaster of Paris can capture intricate details of a mold's surface.

How long does it take for the plaster of Paris to solidify?

What conclusion can be drawn from the activity regarding the solidified plaster of Paris?