Endzone: what happens here?
touchdown (video), touchdown, two-point conversion (video), two-point conversion, safety (video), safety

Yardlines: what happens here?
downs (video), downs, chain gang

Defense: who are they?
linemen, linebackers, secondary, defensive back

Line of Scrimmage: what happens here?
line of scrimmage, downs (video), downs, snap

Offense: who are they?
quarterback (video), quarterback, wide receiver, runningback

Goal Post: what happens here?
field goal (video), field goal, extra point (video), extra point

(c) 2010 by Kristina Cunningham, Elena Eremina, Matt Koss, and Eli Natinsky.