Tag Archives: aluminum foil

how do i “preserve the identity” of a peanut butter and jelly sandwich until lunchtime??

okay, this is a reeally dumb science assignment, i need to make a procedure to preserve a pb and j sandwich i can use these materials: sheet of cardboard, string, straws, aluminum foil, plastic sandwich bag, sandwich, tasking tape, brown paper bag.

i really don’t know anything about food preservation, so give me some tips please! what should i do./ make out of the materials i can use?????

btw, this is from the time i pack it in the morning till noon, so like 4 hours. to “preserve the identity of the sandwich”