This is an excellent presentation tool for students. Google Presentation is part of the productivity suite that comes with Google Drive. It allows you to integrated text, images, videos, import/export slides, customize the size of our slides, insert themes and many more. To learn how to use Google Presentation read:" 9 Steps to Create A Good Presentation Using Google Presentation".
2- Haiku Deck
Haiku Deck is another wonderful presentation tool for teachers. You can use it to visually narrate stories. It provides a variety of pre-made themes and templates to choose from. You can use Haiku's image library to search for images to include in your slides or upload your own. One powerful feature of Haiku Deck is that it automatically resizes images and shrinks text to fit in the slides so you will not have to bother with editing and resizing images. Stories created on Haiku Deck can be shared on popular social networking websites such as Facebook and Twitter, or be exported as PPT files or embedded in blog posts.
3- Prezi
Prezi is a powerful web tool that allows you to create visually appealing presentations. You can start with a professionally designed template from Prezi’s library then use images, text, videos and zooming features to enhance your presentation. You can also collaborate with colleagues to build presentations. Prezi is available on iOS and Android so you can create or edit your presentations on the go, then auto-sync across all your devices with ease.