Send your students out to collect pictures using their iPads, then create a Google Slide Presentation using the iPad. Once the Slides are created, they are automatically saved and can be shared using the share icon on the top menu of Slides.
What you will need:
(1) iPAD
(2) Google Drive & Google Slides downloaded on the iPad from the Apps Store
(3) Google Accounts for the students/teacher Creating the Presentations
(4) Some cool things to take pictures of.
Watch Video:
https://drive.google.com/open?id=0B_OXt7psO2lTd0pGcTNkMkhpZXM