Choose My Plate.gov - your resource for ideas and materials on nutrition
U. S. Department of Agriculture
My Plate lesson plans for your classroom
and here are some more.
My Plate printables for your nutrition lessons.
Now here is a unique resource!! The history of food at The Food Timeline. Learn about everything from historic food prices to the history of school lunches to the favorite foods of US presidents. There's a lot more here.
PowerPoints, games and other nutrition resources here.