Taks vs. Project definition

A project is a series of tasks that need to be completed to achieve a goal, while a task is a single unit of work that contributes to the project.
Putting a document into a particular folder is an example of a task.
project is a set of tasks which must be completed in order to arrive at a specific goal.

A student interviewing dinosaurs to demonstrate knowledge of animal characteristics, diet, and more would be an example of a project. Source: Wixie.