Not sure of age appropriateness. There's so much there, you need to browse
Students who may struggle with inference in literature selections in class, may learn inference instead from watching and journaling about the behavior of falcons on a web cam and later analyzing those recorded observations. As the same students compare their personal observations and inferences with those made by professional biologists, they will naturally begin to develop new skills and abilities for interpreting written materials.
Website also has a large abundance of other opportunities for projects and language arts lesson ideas.
An Index of US Military Support Web Sites
Good for all grade levels
Real World activities that will benefit soldiers
Great project for requiring the students to organize, plan, execute a real world project
Pitfall- teacher would have to okay the project to make sure that it is something that is grade level appropriate or that the project doesn't require a fee.