This is a movie guide for 5 videos. 3 of the videos are 10 minutes in length and the other 2 are 5 minutes in length. That's a total of 40 minutes. Links to the You Tube videos along with 38 questions are provided. Four out of five of the guides have answer keys.
The videos are about: Rio Grande, Red River, Living Waters and the other 2 are videos about axolotls (fresh water, critically endangered species).
This would also work well for homework or make up work.