Here are some good science links to view or add in with your lessons. I know those who were able to witness the live airing of Armstongs walk on the moon will appreciate this video attached.
July 20, 1969 "Arstrongs Moon Walk"
Link to this at http://youtu.be/HCt1BwWE2gA
Interview with Astronaut
link to this http://youtu.be/yo1JR1gHcgU
Here also is a great bio about Commander Mark Polansky