Hey Moe,
I love the idea of this sheet...my only suggestion is that you give it to them blank.
I did this with my kids at the beginning of the year, and they were able to fill the sheet by through conversation and collaboration in the class or they read the informational text pages of the Minecraft Wiki. Allowing them to use it this way hits more standards and stretches the learning above giving them a cheat sheet.
We also discussed ways to document the type of materials used, since they weren't going to draw each piece of wood or stick. So they came up with a legend that helped them remember what each letter represented.