A short video about what project based learning is and provides reasons why it should be used in the classroon. While it may imply that they should be large projects used in lieu of standard tests (such as in a thematic unit), projects can also be used on a smaller scale within a unit to bring concepts together.
While authenticity is something all world language teachers should strive for, it's not always easy and during the business of the school year it seems nearly impossible. So we strive for what thi article defines as semi-authentic projects, which mimics real life. This includes ideas such as a mock runway show project to use fashion language or creating a news article.
Like with everything else with teaching, the ideas and concepts of project based learning aren't black and white but fall on a continuum where there's a happy medium. This includes being more teacher focused or being more student focused. These can change upon the circumstance; for example, in the beginning of the year of a beginner class, being more teacher oriented would be better. Then slowly become more student-oriented as the year go on.
There are many other teachers who share ideas. This blog shares some of the ideas which were shared on Twitter under the hashtag #langchat. Some teachers use many smaller projects throughout a unit while others use them as the formal assessment at the end of the unit. There are also tips such as allowing choices for student creativity.