There are some difference between fat and oil. They are:

Fats:

1.Fat are solid at room temperature.

2.They are two types saturated and trans fats.

3. Mostly derived from animals.

Example:Butter,Beef fat.

Oils:

1.Oils are liquid at room temperature.

2.They are two types Mono saturated oils and poly saturated oils.

3.Mostly derived from plants.

Example:Vegetable oil.