Animoto and Powtoon are very interesting tools to make and edit videos.
These kinds of websites allow for the creation of videos without having prior graphic design skills.
Maybe this can be considered their greatest advantage.
You can use videos with several scopes. One idea is to create videos to advertise your own organization.
This is an example created with Animoto during our latest meeting in Odense, Denmark:
You can use videos to explain subjects to your students.
This in another example created in Odense with Powtoon:
You can start creating your first videos with the free version. In this way, you can check how this website works and how you can use them in your classes.
In case you find such websites very useful, you can also upgrade your version and get their full functionalities.