This is a contract of 20 choices to along with a brief written report assignment for our European Explorers unit in US History.
The students must complete a report with note cards & a bibliography for 65 points (or a "D"). To earn a better grade, they choose alternate activities within various learning modalities to improve their points.
You, of course, can add your own choices. I had another 8 or so ideas, but they were dependent on materials that I have in my classroom, so I deleted them