This is a demo file of how a presentation look like in format and animation. It is active and interactive and ccan be extended to infinite slides. You can apply the form to any subject, any level and adapted to your student learning abilities to perform better and prepare as well.It is a great educational tool that has many educational learning values for those who appreciate. you can add videos, links, images.... Also it is protected from being modified from external users. So as a teacher you can make a version with different background style and protect it, then provide it for students to study. You can also make another version for students of which is not protected and can be modified by students themselves each on his own.