A fossil cast

The video tutorial guides viewers through an experiment to create a plaster of paris mold. It begins with gathering necessary materials, then proceeds to prepare the mold by oiling a metal mold and mixing plaster of paris with water. The mixture is poured into the mold and left to solidify for at least a day. Finally, the metal mold is removed, revealing that the plaster has formed a detailed replica of the metal mold, demonstrating the process of mold making.

What materials are needed to start the experiment?

Describe the process of mixing plaster of paris with water.

What should be done after pouring the mixture into the mold?

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?