Snapshots of the iPad screen can be taken by holding the sleep/wake button while clicking the Home Button twice. This little tip is good if your students use iPad Notes to type on. Instead of getting the document off the iPad one can just Snapshot a screenshot of it.
Want to send out a document, Take a photo of it. or just type somthing up in notes and snapshot it. The snapshot and camera photos go to the iPad Photos App. Photos can be synced through Photo Stream via iCloud.
Photo Stream automatically uploads new photos thru iCloud which downloads them to all your iOS devices using the same iCloud account.