Here's a few cool videos related to gravity and tomorrow. The last one is the best. The teachertube ones have commercials in front of them which sucks.

http://www.bharatstudent.com/ctv/watchvideo.php?vid=kfbqpchoogim

http://www.teachertube.com/viewVideo.php?video_id=52258

http://teachertube.com/viewVideo.php?video_id=41342&title=Hammer_and_Feather_Drop_on_Moon