The material cause of an object refers to what something is made from. For example a painting is made up of oil paints and canvas. Aristotle believed that this painting is as it is purely because it is oil paints and canvas; if it was made up of pastels and paper it would not be the painting that it is.
The formal cause refers to what identifies an object. For instance the formal cause of a painting is that it is a pictorial representation of something which creates visual stimulation and enjoyment for a viewer. The formal cause is to do with the colour, arrangement and style of the painting. Therefore this painting is the painting that it is because of the shapes, shading and colours that are unique to it.
The efficient cause is Aristotle’s way of explaining how the object actually came to exist. The immediate efficient cause of the painting is the painter, as he physically created it. However there are other contributing factors to consider which could affect what the efficient cause is. For example someone could have had the painting commissioned and therefore asked the